<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019b07fa-bf91-7afe-b331-84fec5edefc5,g:3aabf88b-9d93-4a71-91f3-154639dfda03-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower"/>
  <link:roleRef roleURI="http://www.mandg.com/role/StatementofchangesinequityStatement" xlink:type="simple" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#StatementofchangesinequityStatement"/>
  <link:definitionLink xlink:role="http://www.mandg.com/role/StatementofchangesinequityStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract_019b07fa-c069-7fbd-a5ce-4ce61f353e72" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable_019b07fa-c069-7c9d-9aba-f1c1b127aa31" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract_019b07fa-c069-7fbd-a5ce-4ce61f353e72" xlink:to="loc_ifrs-full_StatementOfChangesInEquityTable_019b07fa-c069-7c9d-9aba-f1c1b127aa31" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="scenario"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-733b-bd81-520272ad9bdc" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable_019b07fa-c069-7c9d-9aba-f1c1b127aa31" xlink:to="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-733b-bd81-520272ad9bdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-733b-bd81-520272ad9bdc" xlink:to="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember_019b07fa-c069-7e10-8ffc-22286dc6dbc2" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_IssuedCapitalMember_019b07fa-c069-7e10-8ffc-22286dc6dbc2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremiumMember_019b07fa-c069-777e-a47b-b9a9a4486fa3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremiumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_SharePremiumMember_019b07fa-c069-777e-a47b-b9a9a4486fa3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SharesHeldByEmployeeBenefitTrustMember_019b07fa-c069-7c59-a87a-c9ece85121eb" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SharesHeldByEmployeeBenefitTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_mgplc_SharesHeldByEmployeeBenefitTrustMember_019b07fa-c069-7c59-a87a-c9ece85121eb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasurySharesMember_019b07fa-c069-7cba-869a-312863aec83a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasurySharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_TreasurySharesMember_019b07fa-c069-7cba-869a-312863aec83a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember_019b07fa-c069-7af5-ab2b-eb916ec2723a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_RetainedEarningsMember_019b07fa-c069-7af5-ab2b-eb916ec2723a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReservesMember_019b07fa-c069-7f30-b473-e4bf09a0da62" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherReservesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_OtherReservesMember_019b07fa-c069-7f30-b473-e4bf09a0da62" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-77b7-b5c6-16085c519da3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-77b7-b5c6-16085c519da3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-783e-ac14-3da47e5a3ac3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-79e8-b1b5-71dbb5bba562" xlink:to="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-783e-ac14-3da47e5a3ac3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract_019b07fa-c069-7fbd-a5ce-4ce61f353e72" xlink:to="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_019b07fa-c069-7868-9fdf-4663da66b8cb" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_Equity_019b07fa-c069-7868-9fdf-4663da66b8cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_019b07fa-c069-70fe-b34f-5787e7039306" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_ProfitLoss_019b07fa-c069-70fe-b34f-5787e7039306" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_019b07fa-c069-72d9-a5ac-5cce928632ef" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_OtherComprehensiveIncome_019b07fa-c069-72d9-a5ac-5cce928632ef" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome_019b07fa-c069-73af-b465-0bdc4009fb11" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_ComprehensiveIncome_019b07fa-c069-73af-b465-0bdc4009fb11" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NonControllingInterestsArisingThroughBusinessCombinations_019b0827-7fac-704d-ad59-03715cf7a19e" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NonControllingInterestsArisingThroughBusinessCombinations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_mgplc_NonControllingInterestsArisingThroughBusinessCombinations_019b0827-7fac-704d-ad59-03715cf7a19e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent_019b07fa-c069-7dc5-a88e-d0060f08e336" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent_019b07fa-c069-7dc5-a88e-d0060f08e336" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_019b07fa-c069-7cbb-8bb0-21029842566d" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_019b07fa-c069-7cbb-8bb0-21029842566d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019b07fa-c069-7b5c-bd42-5e46a231360d" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_019b07fa-c069-7b5c-bd42-5e46a231360d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SharesDistributedByEmployeeTrusts_019b07fa-c069-7f03-a7c9-53fb3890f392" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SharesDistributedByEmployeeTrusts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_mgplc_SharesDistributedByEmployeeTrusts_019b07fa-c069-7f03-a7c9-53fb3890f392" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_VestedEmployeeShareBasedPayments_019b07fa-c069-76a5-a25f-5d44819b60a6" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_VestedEmployeeShareBasedPayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_mgplc_VestedEmployeeShareBasedPayments_019b07fa-c069-76a5-a25f-5d44819b60a6" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ExpenseRecognisedInRespectOfShareBasedPayments_019b07fa-c069-77ae-83d4-0943d15d4f70" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ExpenseRecognisedInRespectOfShareBasedPayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_mgplc_ExpenseRecognisedInRespectOfShareBasedPayments_019b07fa-c069-77ae-83d4-0943d15d4f70" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019b07fa-c069-7e2f-b90d-9fc3894a7506" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_019b07fa-c069-7e2f-b90d-9fc3894a7506" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_019b07fa-c069-7e22-956d-86d023f1a1b3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_019b07fa-c069-7e22-956d-86d023f1a1b3" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity_019b07fa-c069-7349-b0fe-2229d9f462b4" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ChangesInEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_019b07fa-c069-7547-9d09-d5c127df913b" xlink:to="loc_ifrs-full_ChangesInEquity_019b07fa-c069-7349-b0fe-2229d9f462b4" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_019b07fa-c069-764a-b7f7-a48ac1b787fd" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.mandg.com/role/StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseParentheticals" xlink:type="simple" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseParentheticals"/>
  <link:definitionLink xlink:role="http://www.mandg.com/role/StatementofcomprehensiveincomeprofitorlossbyfunctionofexpenseParentheticals" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract_019b07fa-c069-7a0b-bc39-935e209d0c5f" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable_019b07fa-c069-7dee-8f8d-3b0b4c3e795e" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_IncomeStatementAbstract_019b07fa-c069-7a0b-bc39-935e209d0c5f" xlink:to="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable_019b07fa-c069-7dee-8f8d-3b0b4c3e795e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="scenario"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-755e-9d19-0bd010c4f0f1" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable_019b07fa-c069-7dee-8f8d-3b0b4c3e795e" xlink:to="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-755e-9d19-0bd010c4f0f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-736a-9144-c93393ebce93" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-755e-9d19-0bd010c4f0f1" xlink:to="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-736a-9144-c93393ebce93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-7671-889a-2f1294e1b7ff" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-736a-9144-c93393ebce93" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-7671-889a-2f1294e1b7ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-7891-ad4e-b10f9c59dba0" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-736a-9144-c93393ebce93" xlink:to="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-7891-ad4e-b10f9c59dba0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems_019b07fa-c069-7470-9d4b-d46632b96651" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_IncomeStatementAbstract_019b07fa-c069-7a0b-bc39-935e209d0c5f" xlink:to="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems_019b07fa-c069-7470-9d4b-d46632b96651" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019b07fa-c069-73d9-babc-cfbad7e3be96" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems_019b07fa-c069-7470-9d4b-d46632b96651" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019b07fa-c069-73d9-babc-cfbad7e3be96" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.mandg.com/role/StatementofcomprehensiveincomeOCIcomponentspresentednetoftaxParentheticals" xlink:type="simple" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#StatementofcomprehensiveincomeOCIcomponentspresentednetoftaxParentheticals"/>
  <link:definitionLink xlink:role="http://www.mandg.com/role/StatementofcomprehensiveincomeOCIcomponentspresentednetoftaxParentheticals" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract_019b07fa-c069-7e82-84a2-93a5a880641a" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable_019b07fa-c069-728f-be0b-420fc3d281d3" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract_019b07fa-c069-7e82-84a2-93a5a880641a" xlink:to="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable_019b07fa-c069-728f-be0b-420fc3d281d3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="scenario"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-785d-9d0e-4d6a29438b19" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable_019b07fa-c069-728f-be0b-420fc3d281d3" xlink:to="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-785d-9d0e-4d6a29438b19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-7067-bb7d-19da1c8b5335" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis_019b07fa-c069-785d-9d0e-4d6a29438b19" xlink:to="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-7067-bb7d-19da1c8b5335" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-7d7c-85d5-25c271001511" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-7067-bb7d-19da1c8b5335" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_019b07fa-c069-7d7c-85d5-25c271001511" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-79cd-b9ae-cf7f21ea3c9c" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain_019b07fa-c069-7067-bb7d-19da1c8b5335" xlink:to="loc_ifrs-full_NoncontrollingInterestsMember_019b07fa-c069-79cd-b9ae-cf7f21ea3c9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_019b07fa-c069-740a-a068-26721b6d01c1" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract_019b07fa-c069-7e82-84a2-93a5a880641a" xlink:to="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_019b07fa-c069-740a-a068-26721b6d01c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_019b07fa-c069-709b-9fa6-92006aafaed7" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems_019b07fa-c069-740a-a068-26721b6d01c1" xlink:to="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax_019b07fa-c069-709b-9fa6-92006aafaed7" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.mandg.com/role/StatementofcashflowsdirectmethodparentheticalDetails" xlink:type="simple" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#StatementofcashflowsdirectmethodparentheticalDetails"/>
  <link:definitionLink xlink:role="http://www.mandg.com/role/StatementofcashflowsdirectmethodparentheticalDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract_019b07fa-c069-7977-bede-252fb3ecd871" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_StatementOfCashFlowsTable_019b07fa-c069-7edd-9543-4d134fba17b4" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_StatementOfCashFlowsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract_019b07fa-c069-7977-bede-252fb3ecd871" xlink:to="loc_mgplc_StatementOfCashFlowsTable_019b07fa-c069-7edd-9543-4d134fba17b4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="scenario"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TypeOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TypeOfInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_mgplc_StatementOfCashFlowsTable_019b07fa-c069-7edd-9543-4d134fba17b4" xlink:to="loc_mgplc_TypeOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TypesOfInvestment_019c902f-64db-7bfa-83c3-7837819b7d12" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TypesOfInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mgplc_TypeOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013" xlink:to="loc_mgplc_TypesOfInvestment_019c902f-64db-7bfa-83c3-7837819b7d12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_WithProfitsFund_019c8fe1-c444-790a-ba91-e3dac230a764" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_WithProfitsFund"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mgplc_TypesOfInvestment_019c902f-64db-7bfa-83c3-7837819b7d12" xlink:to="loc_mgplc_WithProfitsFund_019c8fe1-c444-790a-ba91-e3dac230a764" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_StatementOfCashFlowsLineItems_019c8fe1-c444-7e55-ae13-021c2f7f4882" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_StatementOfCashFlowsLineItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract_019b07fa-c069-7977-bede-252fb3ecd871" xlink:to="loc_mgplc_StatementOfCashFlowsLineItems_019c8fe1-c444-7e55-ae13-021c2f7f4882" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities_019c8fe1-c444-7d68-890a-00d369cf1403" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mgplc_StatementOfCashFlowsLineItems_019c8fe1-c444-7e55-ae13-021c2f7f4882" xlink:to="loc_mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities_019c8fe1-c444-7d68-890a-00d369cf1403" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019c8fe1-c444-7cf5-ac20-b1fdcac698df" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mgplc_StatementOfCashFlowsLineItems_019c8fe1-c444-7e55-ae13-021c2f7f4882" xlink:to="loc_mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019c8fe1-c444-7cf5-ac20-b1fdcac698df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019c8fe1-c444-72de-bb0a-cdcd4c21e079" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mgplc_StatementOfCashFlowsLineItems_019c8fe1-c444-7e55-ae13-021c2f7f4882" xlink:to="loc_mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019c8fe1-c444-72de-bb0a-cdcd4c21e079" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="https://www.esma.europa.eu/xbrl/role/cor/esef_role-999999" xlink:type="simple" xlink:href="https://www.esma.europa.eu/taxonomy/2024-03-27/esef_cor.xsd#esef_role-999999"/>
  <link:definitionLink xlink:role="https://www.esma.europa.eu/xbrl/role/cor/esef_role-999999" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:href="https://www.esma.europa.eu/taxonomy/2024-03-27/esef_cor.xsd#esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceRevenue_019b07fa-c068-77c1-af61-3e677908cb3aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceRevenue_019b07fa-c068-77c1-af61-3e677908cb3aNotDimensionallyQualified" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued_019b07fa-c068-796e-9d9e-fcff10b1527aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceServiceExpensesFromInsuranceContractsIssued_019b07fa-c068-796e-9d9e-fcff10b1527aNotDimensionallyQualified" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses_019b07fa-c069-7f85-8c06-7deaa5f2ce90NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeExpensesFromReinsuranceContractsHeldOtherThanFinanceIncomeExpenses_019b07fa-c069-7f85-8c06-7deaa5f2ce90NotDimensionallyQualified" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceServiceResult_019b07fa-c069-7b44-bd0f-1a4d3b630a97NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceServiceResult"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceServiceResult_019b07fa-c069-7b44-bd0f-1a4d3b630a97NotDimensionallyQualified" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost_019b07fa-c069-74b0-9648-185a28e9160aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost_019b07fa-c069-74b0-9648-185a28e9160aNotDimensionallyQualified" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_019b07fa-c069-799f-b8e9-6f92ab2501e1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_019b07fa-c069-799f-b8e9-6f92ab2501e1NotDimensionallyQualified" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019cbdd3-ea5a-73cc-95dc-28b03c904f00NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019cbdd3-ea5a-73cc-95dc-28b03c904f00NotDimensionallyQualified" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b07fa-c069-77a0-aafe-de7db1e0735fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_019b07fa-c069-77a0-aafe-de7db1e0735fNotDimensionallyQualified" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceIncomeCost_019b07fa-c069-75ec-8a2b-1831bfb110beNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinanceIncomeCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherFinanceIncomeCost_019b07fa-c069-75ec-8a2b-1831bfb110beNotDimensionallyQualified" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentIncome_019b07fa-c069-7110-b2b1-570d1efa0360NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InvestmentIncome_019b07fa-c069-7110-b2b1-570d1efa0360NotDimensionallyQualified" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceFinanceIncomeExpensesFromInsuranceContractsIssuedRecognisedInProfitOrLoss_019b07fa-c069-72f7-a175-117e339e5d9bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceFinanceIncomeExpensesFromInsuranceContractsIssuedRecognisedInProfitOrLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceFinanceIncomeExpensesFromInsuranceContractsIssuedRecognisedInProfitOrLoss_019b07fa-c069-72f7-a175-117e339e5d9bNotDimensionallyQualified" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss_019b07fa-c069-718b-834a-f9b667d6cc8cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss_019b07fa-c069-718b-834a-f9b667d6cc8cNotDimensionallyQualified" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetInsuranceFinanceExpenses_019b07fa-c069-7e48-b59c-a730ecd64520NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetInsuranceFinanceExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_NetInsuranceFinanceExpenses_019b07fa-c069-7e48-b59c-a730ecd64520NotDimensionallyQualified" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetInsuranceAndInvestmentResult_019b07fa-c069-7f35-92b9-051de3404499NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetInsuranceAndInvestmentResult"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_NetInsuranceAndInvestmentResult_019b07fa-c069-7f35-92b9-051de3404499NotDimensionallyQualified" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncome_019b07fa-c069-7938-9156-2987a5979519NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_FeeAndCommissionIncome_019b07fa-c069-7938-9156-2987a5979519NotDimensionallyQualified" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherIncome_019b07fa-c069-794d-b500-e636b09bf3c4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherIncome_019b07fa-c069-794d-b500-e636b09bf3c4NotDimensionallyQualified" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdministrativeExpense_019b07fa-c069-7183-8439-0bcdfe98d632NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdministrativeExpense_019b07fa-c069-7183-8439-0bcdfe98d632NotDimensionallyQualified" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts_019b07fa-c069-7909-92fc-0fd5f65aa0b0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_FinanceCosts_019b07fa-c069-7909-92fc-0fd5f65aa0b0NotDimensionallyQualified" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_MovementsInThirdPartyInterestInConsolidatedFunds_019b07fa-c069-7027-be10-ef9d507ec94eNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_MovementsInThirdPartyInterestInConsolidatedFunds"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_MovementsInThirdPartyInterestInConsolidatedFunds_019b07fa-c069-7027-be10-ef9d507ec94eNotDimensionallyQualified" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019b07fa-c069-776f-9be0-2283ea330e48NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_019b07fa-c069-776f-9be0-2283ea330e48NotDimensionallyQualified" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax_019b07fa-c069-796c-a621-67426af16c89NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProfitLossBeforeTax_019b07fa-c069-796c-a621-67426af16c89NotDimensionallyQualified" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TaxChargeAttributableToPolicyholdersReturns_019b07fa-c069-796e-ac07-c38e2b3fba74NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TaxChargeAttributableToPolicyholdersReturns"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_TaxChargeAttributableToPolicyholdersReturns_019b07fa-c069-796e-ac07-c38e2b3fba74NotDimensionallyQualified" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ProfitBeforeTaxAttributableToEquityHolders_019b07fa-c069-7db6-8650-607f565811aeNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ProfitBeforeTaxAttributableToEquityHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_ProfitBeforeTaxAttributableToEquityHolders_019b07fa-c069-7db6-8650-607f565811aeNotDimensionallyQualified" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations_019b07fa-c069-7552-ac58-01b59cb3daacNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeTaxExpenseContinuingOperations_019b07fa-c069-7552-ac58-01b59cb3daacNotDimensionallyQualified" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns_019b07fa-c069-78f7-abcc-a9759342ef29NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns_019b07fa-c069-78f7-abcc-a9759342ef29NotDimensionallyQualified" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TaxChargecreditAttributableToEquityHolders_019b07fa-c069-72ff-b61a-f148e31e3afdNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TaxChargecreditAttributableToEquityHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_TaxChargecreditAttributableToEquityHolders_019b07fa-c069-72ff-b61a-f148e31e3afdNotDimensionallyQualified" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_019b07fa-c069-7115-a6ee-b781295280c5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProfitLoss_019b07fa-c069-7115-a6ee-b781295280c5NotDimensionallyQualified" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b07fa-c069-707d-817c-45b25f82aaa9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent_019b07fa-c069-707d-817c-45b25f82aaa9NotDimensionallyQualified" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_019b07fa-c069-7f5f-a175-72f9e192b384NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_019b07fa-c069-7f5f-a175-72f9e192b384NotDimensionallyQualified" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare_019b07fa-c069-70d7-b491-f2815d5f611cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_BasicEarningsLossPerShare_019b07fa-c069-70d7-b491-f2815d5f611cNotDimensionallyQualified" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare_019b07fa-c069-77cd-959a-f12bfa12d0e8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DilutedEarningsLossPerShare_019b07fa-c069-77cd-959a-f12bfa12d0e8NotDimensionallyQualified" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019b07fa-c069-7ba0-8f96-b5932a68b125NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_019b07fa-c069-7ba0-8f96-b5932a68b125NotDimensionallyQualified" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b07fa-c069-7c29-aa44-af267490a7d6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_019b07fa-c069-7c29-aa44-af267490a7d6NotDimensionallyQualified" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019b07fa-c069-764d-9eac-37a6c2e611ccNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_019b07fa-c069-764d-9eac-37a6c2e611ccNotDimensionallyQualified" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome_019b07fa-c069-787f-a181-dc9824b5d789NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome_019b07fa-c069-787f-a181-dc9824b5d789NotDimensionallyQualified" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b07fa-c069-733c-947a-e958a2fc7672NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_019b07fa-c069-733c-947a-e958a2fc7672NotDimensionallyQualified" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_019b07fa-c069-70e2-a0f2-aff143dcfc1aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherComprehensiveIncome_019b07fa-c069-70e2-a0f2-aff143dcfc1aNotDimensionallyQualified" xlink:type="arc" order="36"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome_019b07fa-c069-765c-9376-e38fffdc964bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ComprehensiveIncome_019b07fa-c069-765c-9376-e38fffdc964bNotDimensionallyQualified" xlink:type="arc" order="37"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019b07fa-c069-753b-a757-a4fe5f099c8eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_019b07fa-c069-753b-a757-a4fe5f099c8eNotDimensionallyQualified" xlink:type="arc" order="38"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_019b07fa-c069-7a9d-a880-74c635873088NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_019b07fa-c069-7a9d-a880-74c635873088NotDimensionallyQualified" xlink:type="arc" order="39"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill_019b07fa-c069-77de-8507-d5bb4bb1adaeNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IntangibleAssetsAndGoodwill_019b07fa-c069-77de-8507-d5bb4bb1adaeNotDimensionallyQualified" xlink:type="arc" order="40"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_DeferredAcquisitionCosts_019b07fa-c069-7ba7-a0ee-d9d17d590e58NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_DeferredAcquisitionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_DeferredAcquisitionCosts_019b07fa-c069-7ba7-a0ee-d9d17d590e58NotDimensionallyQualified" xlink:type="arc" order="41"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecognisedAssetsDefinedBenefitPlan_019b07fa-c069-71e4-939e-e81b0a85b7f6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RecognisedAssetsDefinedBenefitPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RecognisedAssetsDefinedBenefitPlan_019b07fa-c069-71e4-939e-e81b0a85b7f6NotDimensionallyQualified" xlink:type="arc" order="42"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod_019b07fa-c069-7f77-bc1e-35af2ac7d6adNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod_019b07fa-c069-7f77-bc1e-35af2ac7d6adNotDimensionallyQualified" xlink:type="arc" order="43"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_019b07fa-c069-7113-a815-78bb8441c969NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets_019b07fa-c069-7113-a815-78bb8441c969NotDimensionallyQualified" xlink:type="arc" order="44"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentProperty_019b07fa-c069-7aac-b087-48e4484ab438NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InvestmentProperty_019b07fa-c069-7aac-b087-48e4484ab438NotDimensionallyQualified" xlink:type="arc" order="45"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets_019b07fa-c069-77a1-af13-65cc486c0925NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DeferredTaxAssets_019b07fa-c069-77a1-af13-65cc486c0925NotDimensionallyQualified" xlink:type="arc" order="46"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceContractsThatAreAssets_019b07fa-c069-7752-9150-0db08dc9c17dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceContractsThatAreAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceContractsThatAreAssets_019b07fa-c069-7752-9150-0db08dc9c17dNotDimensionallyQualified" xlink:type="arc" order="47"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReinsuranceContractsHeldThatAreAssets_019b07fa-c069-7f11-8b13-15d6fb815997NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReinsuranceContractsHeldThatAreAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ReinsuranceContractsHeldThatAreAssets_019b07fa-c069-7f11-8b13-15d6fb815997NotDimensionallyQualified" xlink:type="arc" order="48"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityInstrumentsHeld_019b07fa-c069-7445-8128-869951ce08c1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityInstrumentsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_EquityInstrumentsHeld_019b07fa-c069-7445-8128-869951ce08c1NotDimensionallyQualified" xlink:type="arc" order="49"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_Loans_019b07fa-c069-7beb-aadd-ac3943400eb2NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_Loans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_Loans_019b07fa-c069-7beb-aadd-ac3943400eb2NotDimensionallyQualified" xlink:type="arc" order="50"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtInstrumentsHeld_019b07fa-c069-7b2e-acfe-21faf72d533bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DebtInstrumentsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DebtInstrumentsHeld_019b07fa-c069-7b2e-acfe-21faf72d533bNotDimensionallyQualified" xlink:type="arc" order="51"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssets_019b07fa-c069-70f7-97cd-5bef648a79baNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DerivativeFinancialAssets_019b07fa-c069-70f7-97cd-5bef648a79baNotDimensionallyQualified" xlink:type="arc" order="52"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_Deposits_019b07fa-c069-7fb6-8147-a244c51fcb2aNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_Deposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_Deposits_019b07fa-c069-7fb6-8147-a244c51fcb2aNotDimensionallyQualified" xlink:type="arc" order="53"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssets_019b07fa-c069-77d6-bb69-9f956c96e69cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentTaxAssets_019b07fa-c069-77d6-bb69-9f956c96e69cNotDimensionallyQualified" xlink:type="arc" order="54"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AccruedInvestmentIncomeAndOtherDebtors_019b07fa-c069-7a21-a9a3-a72c073718b9NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AccruedInvestmentIncomeAndOtherDebtors"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_AccruedInvestmentIncomeAndOtherDebtors_019b07fa-c069-7a21-a9a3-a72c073718b9NotDimensionallyQualified" xlink:type="arc" order="55"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_019b07fa-c069-70be-8c66-6ad9aa4882caNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_019b07fa-c069-70be-8c66-6ad9aa4882caNotDimensionallyQualified" xlink:type="arc" order="56"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents_019b07fa-c069-7e1d-b616-502b44f0de19NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashAndCashEquivalents_019b07fa-c069-7e1d-b616-502b44f0de19NotDimensionallyQualified" xlink:type="arc" order="57"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets_019b07fa-c069-742e-b3bf-69cc455cca97NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Assets_019b07fa-c069-742e-b3bf-69cc455cca97NotDimensionallyQualified" xlink:type="arc" order="58"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital_019b07fa-c069-72db-ab6d-13328831d7abNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IssuedCapital_019b07fa-c069-72db-ab6d-13328831d7abNotDimensionallyQualified" xlink:type="arc" order="59"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremium_019b07fa-c069-7eca-bfed-d55234b771a6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremium"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_SharePremium_019b07fa-c069-7eca-bfed-d55234b771a6NotDimensionallyQualified" xlink:type="arc" order="60"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SharesHeldByEmployeeBenefitTrust_019b07fa-c069-751d-b331-fb9e3c548e3dNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SharesHeldByEmployeeBenefitTrust"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_SharesHeldByEmployeeBenefitTrust_019b07fa-c069-751d-b331-fb9e3c548e3dNotDimensionallyQualified" xlink:type="arc" order="61"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TreasuryShares_019b07fa-c069-740b-8025-8c81f0837b33NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasuryShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_TreasuryShares_019b07fa-c069-740b-8025-8c81f0837b33NotDimensionallyQualified" xlink:type="arc" order="62"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings_019b07fa-c069-7df7-a657-ac3a28b5d692NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RetainedEarnings_019b07fa-c069-7df7-a657-ac3a28b5d692NotDimensionallyQualified" xlink:type="arc" order="63"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves_019b07fa-c069-7f30-b2d3-03c22eb8ed09NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherReserves_019b07fa-c069-7f30-b2d3-03c22eb8ed09NotDimensionallyQualified" xlink:type="arc" order="64"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b07fa-c069-7be5-bcb9-e840153be9bdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParent_019b07fa-c069-7be5-bcb9-e840153be9bdNotDimensionallyQualified" xlink:type="arc" order="65"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests_019b07fa-c069-7532-9358-f95299e4c434NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncontrollingInterests_019b07fa-c069-7532-9358-f95299e4c434NotDimensionallyQualified" xlink:type="arc" order="66"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_019b07fa-c069-78ee-bbb8-d0b687ed1409NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Equity_019b07fa-c069-78ee-bbb8-d0b687ed1409NotDimensionallyQualified" xlink:type="arc" order="67"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceContractsIssuedThatAreLiabilities_019b07fa-c069-7101-aa1a-86b71095b49fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceContractsIssuedThatAreLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InsuranceContractsIssuedThatAreLiabilities_019b07fa-c069-7101-aa1a-86b71095b49fNotDimensionallyQualified" xlink:type="arc" order="68"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReinsuranceContractsHeldThatAreLiabilities_019b07fa-c069-7f1c-b17d-045e719afb36NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReinsuranceContractsHeldThatAreLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ReinsuranceContractsHeldThatAreLiabilities_019b07fa-c069-7f1c-b17d-045e719afb36NotDimensionallyQualified" xlink:type="arc" order="69"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019b07fa-c069-7b83-b452-de119cb3bbc8NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019b07fa-c069-7b83-b452-de119cb3bbc8NotDimensionallyQualified" xlink:type="arc" order="70"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ThirdPartyInterestInConsolidatedFunds_019b07fa-c069-7e40-acd2-a72526e3bab6NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ThirdPartyInterestInConsolidatedFunds"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_ThirdPartyInterestInConsolidatedFunds_019b07fa-c069-7e40-acd2-a72526e3bab6NotDimensionallyQualified" xlink:type="arc" order="71"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-c069-72ad-927f-955c05510d12NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SubordinatedLiabilitiesAndOtherBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-c069-72ad-927f-955c05510d12NotDimensionallyQualified" xlink:type="arc" order="72"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_019b07fa-c069-7239-87d4-8e35da8af454NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_019b07fa-c069-7239-87d4-8e35da8af454NotDimensionallyQualified" xlink:type="arc" order="73"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities_019b07fa-c069-7608-a0ae-f846468a4164NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DeferredTaxLiabilities_019b07fa-c069-7608-a0ae-f846468a4164NotDimensionallyQualified" xlink:type="arc" order="74"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities_019b07fa-c069-7c26-b28b-00a0aa688442NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_LeaseLiabilities_019b07fa-c069-7c26-b28b-00a0aa688442NotDimensionallyQualified" xlink:type="arc" order="75"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilities_019b07fa-c069-7439-91b2-0869775c8ae4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentTaxLiabilities_019b07fa-c069-7439-91b2-0869775c8ae4NotDimensionallyQualified" xlink:type="arc" order="76"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities_019b07fa-c069-7ff7-a4ea-42d871ac1c1bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DerivativeFinancialLiabilities_019b07fa-c069-7ff7-a4ea-42d871ac1c1bNotDimensionallyQualified" xlink:type="arc" order="77"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinancialLiabilities_019b07fa-c069-7c50-bd8e-592191b2e1d0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinancialLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherFinancialLiabilities_019b07fa-c069-7c50-bd8e-592191b2e1d0NotDimensionallyQualified" xlink:type="arc" order="78"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions_019b07fa-c069-7721-bb5c-5bc6880b7596NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Provisions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Provisions_019b07fa-c069-7721-bb5c-5bc6880b7596NotDimensionallyQualified" xlink:type="arc" order="79"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-c069-7d5e-83e7-f4698f3c8abaNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AccrualsDeferredIncomeAndOtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-c069-7d5e-83e7-f4698f3c8abaNotDimensionallyQualified" xlink:type="arc" order="80"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_019b07fa-c069-7730-9ca3-95df55b49e66NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_019b07fa-c069-7730-9ca3-95df55b49e66NotDimensionallyQualified" xlink:type="arc" order="81"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities_019b07fa-c069-7651-8052-20cb083eed28NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Liabilities_019b07fa-c069-7651-8052-20cb083eed28NotDimensionallyQualified" xlink:type="arc" order="82"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities_019b07fa-c069-7884-b919-6c08c7f39f1eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_EquityAndLiabilities_019b07fa-c069-7884-b919-6c08c7f39f1eNotDimensionallyQualified" xlink:type="arc" order="83"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AdjustmentsForInvestments_019b07fa-c069-718a-a4e2-a9d95f5a5774NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AdjustmentsForInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_AdjustmentsForInvestments_019b07fa-c069-718a-a4e2-a9d95f5a5774NotDimensionallyQualified" xlink:type="arc" order="84"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_019b07fa-c069-7e3f-b57f-9c13d49b1014NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_019b07fa-c069-7e3f-b57f-9c13d49b1014NotDimensionallyQualified" xlink:type="arc" order="85"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities_019b07fa-c069-743a-9ebb-a68c8262e664NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities_019b07fa-c069-743a-9ebb-a68c8262e664NotDimensionallyQualified" xlink:type="arc" order="86"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_019b07fa-c069-706f-9e55-4e7c76b00951NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities_019b07fa-c069-706f-9e55-4e7c76b00951NotDimensionallyQualified" xlink:type="arc" order="87"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_019b07fa-c069-752e-933c-1fae133eb503NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_019b07fa-c069-752e-933c-1fae133eb503NotDimensionallyQualified" xlink:type="arc" order="88"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome_019b07fa-c069-73e0-8896-0ed5156feba0NotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome_019b07fa-c069-73e0-8896-0ed5156feba0NotDimensionallyQualified" xlink:type="arc" order="89"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems_019b07fa-c069-7a6c-a072-462e6af1aa7aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherAdjustmentsForNoncashItems_019b07fa-c069-7a6c-a072-462e6af1aa7aNotDimensionallyQualified" xlink:type="arc" order="90"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_019b07fa-c069-7763-827f-d2276a4e1bcfNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_019b07fa-c069-7763-827f-d2276a4e1bcfNotDimensionallyQualified" xlink:type="arc" order="91"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities_019b07fa-c069-7075-8430-109d7ea092cbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities_019b07fa-c069-7075-8430-109d7ea092cbNotDimensionallyQualified" xlink:type="arc" order="92"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities_019b07fa-c069-771c-b7d1-0e7f45da3354NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsReceivedClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities_019b07fa-c069-771c-b7d1-0e7f45da3354NotDimensionallyQualified" xlink:type="arc" order="93"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019b07fa-c069-7dd0-a8a3-f98f8a23c63eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_019b07fa-c069-7dd0-a8a3-f98f8a23c63eNotDimensionallyQualified" xlink:type="arc" order="94"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b07fa-c069-769e-92af-ea4d914891a1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities_019b07fa-c069-769e-92af-ea4d914891a1NotDimensionallyQualified" xlink:type="arc" order="95"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019b07fa-c069-7973-9125-3ea1dfe4ae83NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019b07fa-c069-7973-9125-3ea1dfe4ae83NotDimensionallyQualified" xlink:type="arc" order="96"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019b07fa-c069-7c16-804f-3d69fa5a574aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_019b07fa-c069-7c16-804f-3d69fa5a574aNotDimensionallyQualified" xlink:type="arc" order="97"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b07fa-c069-784e-8274-7a50d933196eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b07fa-c069-784e-8274-7a50d933196eNotDimensionallyQualified" xlink:type="arc" order="98"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b07fa-c069-709a-887e-3168f72653abNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_019b07fa-c069-709a-887e-3168f72653abNotDimensionallyQualified" xlink:type="arc" order="99"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b07fa-c069-7e92-9003-0b84c685415dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b07fa-c069-7e92-9003-0b84c685415dNotDimensionallyQualified" xlink:type="arc" order="100"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b07fa-c069-71f9-bc2a-b432b4d63331NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b07fa-c069-71f9-bc2a-b432b4d63331NotDimensionallyQualified" xlink:type="arc" order="101"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b07fa-c069-74e3-a4b6-66591c512275NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_019b07fa-c069-74e3-a4b6-66591c512275NotDimensionallyQualified" xlink:type="arc" order="102"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_RepurchaseOfSubordinatedDebt_019b07fa-c069-78d4-8505-9cb6a78e99feNotDimensionallyQualified" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_RepurchaseOfSubordinatedDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_mgplc_RepurchaseOfSubordinatedDebt_019b07fa-c069-78d4-8505-9cb6a78e99feNotDimensionallyQualified" xlink:type="arc" order="103"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares_019b07fa-c069-76f3-9356-45d2a58d1911NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProceedsFromIssuingShares_019b07fa-c069-76f3-9356-45d2a58d1911NotDimensionallyQualified" xlink:type="arc" order="104"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities_019b07fa-c069-73c7-baa2-e8ff09a105bbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities_019b07fa-c069-73c7-baa2-e8ff09a105bbNotDimensionallyQualified" xlink:type="arc" order="105"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities_019b07fa-c069-7ee0-98e2-b2fea8d712a8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities_019b07fa-c069-7ee0-98e2-b2fea8d712a8NotDimensionallyQualified" xlink:type="arc" order="106"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsFromChangesInOwnershipInterestsInSubsidiaries_019cbdc8-9b06-7a87-a132-6ce9a247137eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsFromChangesInOwnershipInterestsInSubsidiaries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PaymentsFromChangesInOwnershipInterestsInSubsidiaries_019cbdc8-9b06-7a87-a132-6ce9a247137eNotDimensionallyQualified" xlink:type="arc" order="107"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b07fa-c069-7325-9b3e-414a63965153NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b07fa-c069-7325-9b3e-414a63965153NotDimensionallyQualified" xlink:type="arc" order="108"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019b07fa-c069-703a-87c4-efb7f0c6b00bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019b07fa-c069-703a-87c4-efb7f0c6b00bNotDimensionallyQualified" xlink:type="arc" order="109"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b07fa-c069-7900-a91b-a1a2732e8178NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_019b07fa-c069-7900-a91b-a1a2732e8178NotDimensionallyQualified" xlink:type="arc" order="110"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory_019b07fa-c069-7c72-a672-f758d69d1776NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory_019b07fa-c069-7c72-a672-f758d69d1776NotDimensionallyQualified" xlink:type="arc" order="111"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019b07fa-c069-757e-8098-e57cdfdfe9fdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_019b07fa-c069-757e-8098-e57cdfdfe9fdNotDimensionallyQualified" xlink:type="arc" order="112"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfIFRSCompliance_019b07fa-c069-7577-8cb6-f1924318ee7aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfIFRSCompliance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_StatementOfIFRSCompliance_019b07fa-c069-7577-8cb6-f1924318ee7aNotDimensionallyQualified" xlink:type="arc" order="113"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGoingConcernExplanatory_019b07fa-c069-7a31-850e-4d649baa1180NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGoingConcernExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfGoingConcernExplanatory_019b07fa-c069-7a31-850e-4d649baa1180NotDimensionallyQualified" xlink:type="arc" order="114"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory_019b07fa-c069-775a-91b6-22150314250cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory_019b07fa-c069-775a-91b6-22150314250cNotDimensionallyQualified" xlink:type="arc" order="115"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_019b07fa-c069-7c00-ad79-5e9b26e75a4bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_019b07fa-c069-7c00-ad79-5e9b26e75a4bNotDimensionallyQualified" xlink:type="arc" order="116"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_019b07fa-c069-7894-9232-bb56a39a6b60NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_019b07fa-c069-7894-9232-bb56a39a6b60NotDimensionallyQualified" xlink:type="arc" order="117"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_019b07fa-c069-7c71-b6e5-6b38ea372df0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfConsolidationExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_019b07fa-c069-7c71-b6e5-6b38ea372df0NotDimensionallyQualified" xlink:type="arc" order="118"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_019b07fa-c069-701d-ac8d-a22e19516d3bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_019b07fa-c069-701d-ac8d-a22e19516d3bNotDimensionallyQualified" xlink:type="arc" order="119"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_019b07fa-c069-716d-9ec3-4cf21c54a6dbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_019b07fa-c069-716d-9ec3-4cf21c54a6dbNotDimensionallyQualified" xlink:type="arc" order="120"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentsInJointVentures_019b07fa-c069-7b62-bbc0-edd49d7d6392NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentsInJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentsInJointVentures_019b07fa-c069-7b62-bbc0-edd49d7d6392NotDimensionallyQualified" xlink:type="arc" order="121"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates_019b07fa-c069-707a-8e07-9aed5db61576NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates_019b07fa-c069-707a-8e07-9aed5db61576NotDimensionallyQualified" xlink:type="arc" order="122"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInsuranceContracts_019b07fa-c069-708b-868a-deb81c3841efNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInsuranceContracts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInsuranceContracts_019b07fa-c069-708b-868a-deb81c3841efNotDimensionallyQualified" xlink:type="arc" order="123"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForReinsuranceExplanatory_019b21aa-d1b0-7d74-9de3-83a570b030f3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForReinsuranceExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForReinsuranceExplanatory_019b21aa-d1b0-7d74-9de3-83a570b030f3NotDimensionallyQualified" xlink:type="arc" order="124"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory_019b07fa-c069-72be-8bfb-5818f3e92210NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory_019b07fa-c069-72be-8bfb-5818f3e92210NotDimensionallyQualified" xlink:type="arc" order="125"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory_019b07fa-c069-7171-84a8-2724fe339061NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory_019b07fa-c069-7171-84a8-2724fe339061NotDimensionallyQualified" xlink:type="arc" order="126"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_019b218f-f07e-78c5-a357-20308172f4c9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_019b218f-f07e-78c5-a357-20308172f4c9NotDimensionallyQualified" xlink:type="arc" order="127"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_019b07fa-c069-7f67-b18f-de8936b61ef1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_019b07fa-c069-7f67-b18f-de8936b61ef1NotDimensionallyQualified" xlink:type="arc" order="128"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory_019b07fa-c069-7ed1-bb25-870f6112cb27NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory_019b07fa-c069-7ed1-bb25-870f6112cb27NotDimensionallyQualified" xlink:type="arc" order="129"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory_019b07fa-c069-737e-b78d-bda6808765e1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory_019b07fa-c069-737e-b78d-bda6808765e1NotDimensionallyQualified" xlink:type="arc" order="130"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-7366-aecf-e67643a7c03fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-7366-aecf-e67643a7c03fNotDimensionallyQualified" xlink:type="arc" order="131"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForReclassificationOfFinancialInstrumentsExplanatory_019b07fa-c069-7014-bf4a-ce714dc1a668NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForReclassificationOfFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForReclassificationOfFinancialInstrumentsExplanatory_019b07fa-c069-7014-bf4a-ce714dc1a668NotDimensionallyQualified" xlink:type="arc" order="132"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory_019b07fa-c069-7d36-8559-2876c6cdfceaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory_019b07fa-c069-7d36-8559-2876c6cdfceaNotDimensionallyQualified" xlink:type="arc" order="133"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_019b07fa-c069-7bae-958b-3bebc5d341dcNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_019b07fa-c069-7bae-958b-3bebc5d341dcNotDimensionallyQualified" xlink:type="arc" order="134"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019b07fa-c069-7bc6-858e-52ff1874a8e4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_019b07fa-c069-7bc6-858e-52ff1874a8e4NotDimensionallyQualified" xlink:type="arc" order="135"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFeeAndCommissionIncomeAndExpenseExplanatory_019b07fa-c069-72ca-8a1a-a7240cde007bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFeeAndCommissionIncomeAndExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFeeAndCommissionIncomeAndExpenseExplanatory_019b07fa-c069-72ca-8a1a-a7240cde007bNotDimensionallyQualified" xlink:type="arc" order="136"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory_019b07fa-c069-7d32-a4fc-296c8916524bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory_019b07fa-c069-7d32-a4fc-296c8916524bNotDimensionallyQualified" xlink:type="arc" order="137"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_019b07fa-c069-781a-b1c2-4406a19bcc73NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_019b07fa-c069-781a-b1c2-4406a19bcc73NotDimensionallyQualified" xlink:type="arc" order="138"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory_019b07fa-c069-7a75-b753-ef816ba103baNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory_019b07fa-c069-7a75-b753-ef816ba103baNotDimensionallyQualified" xlink:type="arc" order="139"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_019b07fa-c069-7e43-aeb0-06d853c43e94NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_019b07fa-c069-7e43-aeb0-06d853c43e94NotDimensionallyQualified" xlink:type="arc" order="140"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForHedgingExplanatory_019b07fa-c069-7157-a8ca-f5cbc47f8a61NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForHedgingExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForHedgingExplanatory_019b07fa-c069-7157-a8ca-f5cbc47f8a61NotDimensionallyQualified" xlink:type="arc" order="141"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory_019b07fa-c069-77a6-888b-568472d7670eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory_019b07fa-c069-77a6-888b-568472d7670eNotDimensionallyQualified" xlink:type="arc" order="142"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRepurchaseAndReverseRepurchaseAgreementsExplanatory_019b07fa-c069-77a7-945d-a1a1db5ce998NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRepurchaseAndReverseRepurchaseAgreementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForRepurchaseAndReverseRepurchaseAgreementsExplanatory_019b07fa-c069-77a7-945d-a1a1db5ce998NotDimensionallyQualified" xlink:type="arc" order="143"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_019b07fa-c069-7b56-851a-2cf3c188e2d0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_019b07fa-c069-7b56-851a-2cf3c188e2d0NotDimensionallyQualified" xlink:type="arc" order="144"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory_019b07fa-c069-7a88-b4e9-ecfb9912aa6eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory_019b07fa-c069-7a88-b4e9-ecfb9912aa6eNotDimensionallyQualified" xlink:type="arc" order="145"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory_019b07fa-c069-7961-9238-99161f7fac53NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory_019b07fa-c069-7961-9238-99161f7fac53NotDimensionallyQualified" xlink:type="arc" order="146"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_019b07fa-c069-7dd4-820e-42cbb32b3236NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_019b07fa-c069-7dd4-820e-42cbb32b3236NotDimensionallyQualified" xlink:type="arc" order="147"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_019b07fa-c069-706a-b505-c6585f848f9aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_019b07fa-c069-706a-b505-c6585f848f9aNotDimensionallyQualified" xlink:type="arc" order="148"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory_019b07fa-c069-726d-bdc5-0ebe0442700bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDeferredIncomeTaxExplanatory_019b07fa-c069-726d-bdc5-0ebe0442700bNotDimensionallyQualified" xlink:type="arc" order="149"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_019b07fa-c069-7099-9a32-5eed6dcd13feNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_019b07fa-c069-7099-9a32-5eed6dcd13feNotDimensionallyQualified" xlink:type="arc" order="150"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory_019b07fa-c069-7d00-955c-2958e263e3adNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory_019b07fa-c069-7d00-955c-2958e263e3adNotDimensionallyQualified" xlink:type="arc" order="151"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_019b07fa-c069-7d7f-9154-ee68c5658436NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory_019b07fa-c069-7d7f-9154-ee68c5658436NotDimensionallyQualified" xlink:type="arc" order="152"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_019b07fa-c069-73da-b07c-ae78f46fc698NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_019b07fa-c069-73da-b07c-ae78f46fc698NotDimensionallyQualified" xlink:type="arc" order="153"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory_019b07fa-c069-7172-a832-3755edaf3a12NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory_019b07fa-c069-7172-a832-3755edaf3a12NotDimensionallyQualified" xlink:type="arc" order="154"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory_019b07fa-c069-7786-9a31-8e80173a5ef6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory_019b07fa-c069-7786-9a31-8e80173a5ef6NotDimensionallyQualified" xlink:type="arc" order="155"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTreasurySharesExplanatory_019b07fa-c069-78bf-9fee-35753b229142NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTreasurySharesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForTreasurySharesExplanatory_019b07fa-c069-78bf-9fee-35753b229142NotDimensionallyQualified" xlink:type="arc" order="156"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfNatureAndPurposeOfReservesWithinEquity_019c9004-abc6-7305-a42a-2c403931bde4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfNatureAndPurposeOfReservesWithinEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfNatureAndPurposeOfReservesWithinEquity_019c9004-abc6-7305-a42a-2c403931bde4NotDimensionallyQualified" xlink:type="arc" order="157"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_019b07fa-c069-7222-92b6-d2f87c29c56dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_019b07fa-c069-7222-92b6-d2f87c29c56dNotDimensionallyQualified" xlink:type="arc" order="158"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_019b07fa-c069-76bd-a9e1-9fbb9d1da7edNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_019b07fa-c069-76bd-a9e1-9fbb9d1da7edNotDimensionallyQualified" xlink:type="arc" order="159"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019b07fa-c069-7370-b22d-a526857e811bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_019b07fa-c069-7370-b22d-a526857e811bNotDimensionallyQualified" xlink:type="arc" order="160"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_019b07fa-c069-7f81-98ec-d304e9007675NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_019b07fa-c069-7f81-98ec-d304e9007675NotDimensionallyQualified" xlink:type="arc" order="161"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019b07fa-c069-73cc-a2c7-b97109262761NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_019b07fa-c069-73cc-a2c7-b97109262761NotDimensionallyQualified" xlink:type="arc" order="162"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDepreciationExpenseExplanatory_019b07fa-c069-7c6b-ad61-5df5538fdfb3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDepreciationExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForDepreciationExpenseExplanatory_019b07fa-c069-7c6b-ad61-5df5538fdfb3NotDimensionallyQualified" xlink:type="arc" order="163"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_019b07fa-c069-7f47-823b-f028c81f8098NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory_019b07fa-c069-7f47-823b-f028c81f8098NotDimensionallyQualified" xlink:type="arc" order="164"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_019b07fa-c069-7cbb-b9fd-11c2dfbedbc6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_019b07fa-c069-7cbb-b9fd-11c2dfbedbc6NotDimensionallyQualified" xlink:type="arc" order="165"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_019b07fa-c069-77cd-9dd7-7fe33f91d046NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_019b07fa-c069-77cd-9dd7-7fe33f91d046NotDimensionallyQualified" xlink:type="arc" order="166"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_019b07fa-c069-72eb-9e3a-f6e4ffcdaa1fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_019b07fa-c069-72eb-9e3a-f6e4ffcdaa1fNotDimensionallyQualified" xlink:type="arc" order="167"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCompositionOfGroupExplanatory_019b07fa-c069-746c-a480-420e87e25476NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCompositionOfGroupExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCompositionOfGroupExplanatory_019b07fa-c069-746c-a480-420e87e25476NotDimensionallyQualified" xlink:type="arc" order="168"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019b07fa-c069-7b59-a1bc-12db096d849dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_019b07fa-c069-7b59-a1bc-12db096d849dNotDimensionallyQualified" xlink:type="arc" order="169"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueExplanatory_019b07fa-c069-799b-8d7d-b793c223d3ffNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRevenueExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfRevenueExplanatory_019b07fa-c069-799b-8d7d-b793c223d3ffNotDimensionallyQualified" xlink:type="arc" order="170"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_019b07fa-c069-7554-a75e-bb591de1f283NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_019b07fa-c069-7554-a75e-bb591de1f283NotDimensionallyQualified" xlink:type="arc" order="171"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInsurancePremiumRevenueExplanatory_019b07fa-c069-7399-b443-5e72b661539dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInsurancePremiumRevenueExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInsurancePremiumRevenueExplanatory_019b07fa-c069-7399-b443-5e72b661539dNotDimensionallyQualified" xlink:type="arc" order="172"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_019b07fa-c069-7cc6-8d36-d54e9839601fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_019b07fa-c069-7cc6-8d36-d54e9839601fNotDimensionallyQualified" xlink:type="arc" order="173"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory_019b221b-6149-7ae2-a8c1-6a2094b8eecbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory_019b221b-6149-7ae2-a8c1-6a2094b8eecbNotDimensionallyQualified" xlink:type="arc" order="174"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory_019b07fa-c069-71a5-a0b4-ad22d2e914aeNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory_019b07fa-c069-71a5-a0b4-ad22d2e914aeNotDimensionallyQualified" xlink:type="arc" order="175"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesExplanatory_019b07fa-c069-7dce-9ef2-97a3dfd220c7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfExpensesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfExpensesExplanatory_019b07fa-c069-7dce-9ef2-97a3dfd220c7NotDimensionallyQualified" xlink:type="arc" order="176"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_019b07fa-c069-7ed7-a2a8-3ebdda0283f7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_019b07fa-c069-7ed7-a2a8-3ebdda0283f7NotDimensionallyQualified" xlink:type="arc" order="177"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceCostExplanatory_019b2200-60b6-71f4-9c75-c503521f5847NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinanceCostExplanatory_019b2200-60b6-71f4-9c75-c503521f5847NotDimensionallyQualified" xlink:type="arc" order="178"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestExpenseExplanatory_019b221e-201e-76e1-b180-d33bce0d5b00NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInterestExpenseExplanatory_019b221e-201e-76e1-b180-d33bce0d5b00NotDimensionallyQualified" xlink:type="arc" order="179"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_019b07fa-c069-7b14-bcad-cc7ec035470eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_019b07fa-c069-7b14-bcad-cc7ec035470eNotDimensionallyQualified" xlink:type="arc" order="180"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutEmployeesExplanatory_019b07fa-c069-7606-93f9-217e3702e4b9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutEmployeesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInformationAboutEmployeesExplanatory_019b07fa-c069-7606-93f9-217e3702e4b9NotDimensionallyQualified" xlink:type="arc" order="181"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_019b07fa-c069-7c38-a20c-a3986a3a571aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAuditorsRemunerationExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_019b07fa-c069-7c38-a20c-a3986a3a571aNotDimensionallyQualified" xlink:type="arc" order="182"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory_019b07fa-c069-72fa-be42-508336ac5dc6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory_019b07fa-c069-72fa-be42-508336ac5dc6NotDimensionallyQualified" xlink:type="arc" order="183"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019b07fa-c069-73b7-a7f2-a1199af5a8f7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory_019b07fa-c069-73b7-a7f2-a1199af5a8f7NotDimensionallyQualified" xlink:type="arc" order="184"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory_019b07fa-c069-7936-b10f-dd926af53d60NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory_019b07fa-c069-7936-b10f-dd926af53d60NotDimensionallyQualified" xlink:type="arc" order="185"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019b07fa-c069-7b9c-a6eb-233a7576cb75NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory_019b07fa-c069-7b9c-a6eb-233a7576cb75NotDimensionallyQualified" xlink:type="arc" order="186"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDividendsExplanatory_019b07fa-c069-7f08-a4db-e352cd4ccee9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDividendsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDividendsExplanatory_019b07fa-c069-7f08-a4db-e352cd4ccee9NotDimensionallyQualified" xlink:type="arc" order="187"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019b07fa-c069-7b0e-972c-68f7a6d0b259NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_019b07fa-c069-7b0e-972c-68f7a6d0b259NotDimensionallyQualified" xlink:type="arc" order="188"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_019b07fa-c069-718b-ae48-773f60cacfc3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_019b07fa-c069-718b-ae48-773f60cacfc3NotDimensionallyQualified" xlink:type="arc" order="189"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_019b07fa-c069-715b-9ee2-736079fd84cbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_019b07fa-c069-715b-9ee2-736079fd84cbNotDimensionallyQualified" xlink:type="arc" order="190"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGoodwillExplanatory_019b07fa-c069-72c9-9b79-3c65b4f8854fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGoodwillExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfGoodwillExplanatory_019b07fa-c069-72c9-9b79-3c65b4f8854fNotDimensionallyQualified" xlink:type="arc" order="191"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfImpairmentOfAssetsExplanatory_019b07fa-c069-7dd8-b9ba-7a2739b3a5beNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfImpairmentOfAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfImpairmentOfAssetsExplanatory_019b07fa-c069-7dd8-b9ba-7a2739b3a5beNotDimensionallyQualified" xlink:type="arc" order="192"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory_019b07fa-c069-7e9a-99e1-6ec14cfbe39fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory_019b07fa-c069-7e9a-99e1-6ec14cfbe39fNotDimensionallyQualified" xlink:type="arc" order="193"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfJointVenturesExplanatory_019b07fa-c069-7ad2-97c7-73e12b117491NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfJointVenturesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfJointVenturesExplanatory_019b07fa-c069-7ad2-97c7-73e12b117491NotDimensionallyQualified" xlink:type="arc" order="194"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_019b07fa-c069-7599-9aac-04f8473dc31aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_019b07fa-c069-7599-9aac-04f8473dc31aNotDimensionallyQualified" xlink:type="arc" order="195"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019b07fa-c069-702d-ab96-6738738408f7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_019b07fa-c069-702d-ab96-6738738408f7NotDimensionallyQualified" xlink:type="arc" order="196"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019b07fa-c069-709f-afc2-92ce64d976bdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory_019b07fa-c069-709f-afc2-92ce64d976bdNotDimensionallyQualified" xlink:type="arc" order="197"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInvestmentPropertyExplanatory_019b07fa-c069-761d-acc1-41e4bfd106b2NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInvestmentPropertyExplanatory_019b07fa-c069-761d-acc1-41e4bfd106b2NotDimensionallyQualified" xlink:type="arc" order="198"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_019b07fa-c069-7ca9-86d0-e64f034261e5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory_019b07fa-c069-7ca9-86d0-e64f034261e5NotDimensionallyQualified" xlink:type="arc" order="199"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019b07fa-c069-7f03-8197-9a2d36c5dff8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_019b07fa-c069-7f03-8197-9a2d36c5dff8NotDimensionallyQualified" xlink:type="arc" order="200"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-788c-970b-a330ecf4c64dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-788c-970b-a330ecf4c64dNotDimensionallyQualified" xlink:type="arc" order="201"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-7579-b8c5-3b186ac41440NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory_019b07fa-c069-7579-b8c5-3b186ac41440NotDimensionallyQualified" xlink:type="arc" order="202"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory_019b07fa-c069-724d-a418-53744b842707NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory_019b07fa-c069-724d-a418-53744b842707NotDimensionallyQualified" xlink:type="arc" order="203"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_019b07fa-c069-71b4-b0e8-37bd6416e46eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_019b07fa-c069-71b4-b0e8-37bd6416e46eNotDimensionallyQualified" xlink:type="arc" order="204"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPrepaymentsAndOtherAssetsExplanatory_019b222f-7847-762b-b81d-c40914a63ec1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPrepaymentsAndOtherAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfPrepaymentsAndOtherAssetsExplanatory_019b222f-7847-762b-b81d-c40914a63ec1NotDimensionallyQualified" xlink:type="arc" order="205"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_019b07fa-c069-76a1-bd2b-dd1b200ae187NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_019b07fa-c069-76a1-bd2b-dd1b200ae187NotDimensionallyQualified" xlink:type="arc" order="206"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019b07fa-c069-78a5-90e8-ef5df72e8d34NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_019b07fa-c069-78a5-90e8-ef5df72e8d34NotDimensionallyQualified" xlink:type="arc" order="207"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIssuedCapitalExplanatory_019b07fa-c069-7791-ab1c-f15bcabe1eeaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIssuedCapitalExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfIssuedCapitalExplanatory_019b07fa-c069-7791-ab1c-f15bcabe1eeaNotDimensionallyQualified" xlink:type="arc" order="208"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory_019b07fa-c069-7ce5-afd6-bcd8798b7535NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTreasurySharesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory_019b07fa-c069-7ce5-afd6-bcd8798b7535NotDimensionallyQualified" xlink:type="arc" order="209"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_019b07fa-c069-7a76-becc-846db459ee66NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_019b07fa-c069-7a76-becc-846db459ee66NotDimensionallyQualified" xlink:type="arc" order="210"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInsuranceContractsExplanatory_019b07fa-c069-737f-94b9-9cf2bb0837eaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInsuranceContractsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInsuranceContractsExplanatory_019b07fa-c069-737f-94b9-9cf2bb0837eaNotDimensionallyQualified" xlink:type="arc" order="211"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReinsuranceExplanatory_019b07fa-c069-7dd1-9a5b-da200e778632NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReinsuranceExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfReinsuranceExplanatory_019b07fa-c069-7dd1-9a5b-da200e778632NotDimensionallyQualified" xlink:type="arc" order="212"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory_019b07fa-c069-7947-984c-666626d146a4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDeferredAcquisitionCostsArisingFromInsuranceContractsExplanatory_019b07fa-c069-7947-984c-666626d146a4NotDimensionallyQualified" xlink:type="arc" order="213"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClaimsAndBenefitsPaidExplanatory_019b0dac-b8c5-7ea4-be4a-53214fe1f871NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClaimsAndBenefitsPaidExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfClaimsAndBenefitsPaidExplanatory_019b0dac-b8c5-7ea4-be4a-53214fe1f871NotDimensionallyQualified" xlink:type="arc" order="214"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory_019b07fa-c069-71f9-90df-06096eb273f3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfBorrowingsExplanatory_019b07fa-c069-71f9-90df-06096eb273f3NotDimensionallyQualified" xlink:type="arc" order="215"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory_019b07fa-c069-7158-87ea-b60b2025f81bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfSubordinatedLiabilitiesExplanatory_019b07fa-c069-7158-87ea-b60b2025f81bNotDimensionallyQualified" xlink:type="arc" order="216"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory_019b07fa-c069-7b1d-93e4-4bcfcc74a919NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfLeasesExplanatory_019b07fa-c069-7b1d-93e4-4bcfcc74a919NotDimensionallyQualified" xlink:type="arc" order="217"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory_019b07fa-c069-7447-a7d2-aa51691b24b7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfProvisionsExplanatory_019b07fa-c069-7447-a7d2-aa51691b24b7NotDimensionallyQualified" xlink:type="arc" order="218"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory_019b07fa-c069-77e5-b6b6-c0c4d6926bf3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory_019b07fa-c069-77e5-b6b6-c0c4d6926bf3NotDimensionallyQualified" xlink:type="arc" order="219"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDeferredIncomeExplanatory_019b07fa-c069-7205-8bff-6b5349f5b3f4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDeferredIncomeExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDeferredIncomeExplanatory_019b07fa-c069-7205-8bff-6b5349f5b3f4NotDimensionallyQualified" xlink:type="arc" order="220"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_019b07fa-c069-720b-be57-183d421e4042NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_019b07fa-c069-720b-be57-183d421e4042NotDimensionallyQualified" xlink:type="arc" order="221"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_019b07fa-c069-79f4-8902-101026bb5f52NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_019b07fa-c069-79f4-8902-101026bb5f52NotDimensionallyQualified" xlink:type="arc" order="222"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory_019b07fa-c069-7b68-ae77-4a9bbb7c0221NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory_019b07fa-c069-7b68-ae77-4a9bbb7c0221NotDimensionallyQualified" xlink:type="arc" order="223"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_019b07fa-c069-73d6-a9db-03c141ef7023NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_019b07fa-c069-73d6-a9db-03c141ef7023NotDimensionallyQualified" xlink:type="arc" order="224"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_019b07fa-c069-72cc-b9b9-5d3ba80cd5e6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_019b07fa-c069-72cc-b9b9-5d3ba80cd5e6NotDimensionallyQualified" xlink:type="arc" order="225"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_019b07fa-c069-70ee-b118-705efaee1e1eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_019b07fa-c069-70ee-b118-705efaee1e1eNotDimensionallyQualified" xlink:type="arc" order="226"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMarketRiskExplanatory_019b07fa-c069-726a-9b1a-601a9a49f698NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMarketRiskExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfMarketRiskExplanatory_019b07fa-c069-726a-9b1a-601a9a49f698NotDimensionallyQualified" xlink:type="arc" order="227"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExplanatory_019b07fa-c069-77bd-92d5-04209326c782NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCreditRiskExplanatory_019b07fa-c069-77bd-92d5-04209326c782NotDimensionallyQualified" xlink:type="arc" order="228"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory_019b224a-ef20-7bc2-805b-b7a4511f3e81NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory_019b224a-ef20-7bc2-805b-b7a4511f3e81NotDimensionallyQualified" xlink:type="arc" order="229"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_019b21fd-b324-7269-9b9f-f263f0695227NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDebtSecuritiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_019b21fd-b324-7269-9b9f-f263f0695227NotDimensionallyQualified" xlink:type="arc" order="230"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCollateralExplanatory_019b0d9a-2245-7511-afe3-a0a1d9b121b6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCollateralExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCollateralExplanatory_019b0d9a-2245-7511-afe3-a0a1d9b121b6NotDimensionallyQualified" xlink:type="arc" order="231"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_019b21fb-63af-76f6-9392-0c34c12b2e39NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_019b21fb-63af-76f6-9392-0c34c12b2e39NotDimensionallyQualified" xlink:type="arc" order="232"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLiquidityRiskExplanatory_019b07fa-c069-7cd3-9fd1-fbc2034913c7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfLiquidityRiskExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfLiquidityRiskExplanatory_019b07fa-c069-7cd3-9fd1-fbc2034913c7NotDimensionallyQualified" xlink:type="arc" order="233"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_019b07fa-c069-7e07-ab90-cfb2b4a6600bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_019b07fa-c069-7e07-ab90-cfb2b4a6600bNotDimensionallyQualified" xlink:type="arc" order="234"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_019b07fa-c069-795c-925a-7f4c1b9dae01NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_019b07fa-c069-795c-925a-7f4c1b9dae01NotDimensionallyQualified" xlink:type="arc" order="235"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_019b07fa-c069-701f-be6b-6a7a400ba400NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfContingentLiabilitiesExplanatory_019b07fa-c069-701f-be6b-6a7a400ba400NotDimensionallyQualified" xlink:type="arc" order="236"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsExplanatory_019b07fa-c069-7ab4-9b8a-a4d1b0898583NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfCommitmentsExplanatory_019b07fa-c069-7ab4-9b8a-a4d1b0898583NotDimensionallyQualified" xlink:type="arc" order="237"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019b07fa-c069-7c9b-bc65-a1b9cc6f2a59NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_019b07fa-c069-7c9b-bc65-a1b9cc6f2a59NotDimensionallyQualified" xlink:type="arc" order="238"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_019b07fa-c069-7a49-88a5-e6d87b233b04NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_019b07fa-c069-7a49-88a5-e6d87b233b04NotDimensionallyQualified" xlink:type="arc" order="239"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_019b07fa-c069-7a0f-aea3-9173dfb54ea2NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_019b07fa-c069-7a0f-aea3-9173dfb54ea2NotDimensionallyQualified" xlink:type="arc" order="240"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019b07fa-c069-7ad1-b1ce-e85f81003260NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_019b07fa-c069-7ad1-b1ce-e85f81003260NotDimensionallyQualified" xlink:type="arc" order="241"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019b07fa-c069-78af-a183-1a369bebd3f9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_019b07fa-c069-78af-a183-1a369bebd3f9NotDimensionallyQualified" xlink:type="arc" order="242"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory_019b07fa-c069-791e-9fd7-423e6740d3a5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory_019b07fa-c069-791e-9fd7-423e6740d3a5NotDimensionallyQualified" xlink:type="arc" order="243"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_019b07fa-c069-7b33-82da-daba255afdadNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_019b07fa-c069-7b33-82da-daba255afdadNotDimensionallyQualified" xlink:type="arc" order="244"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities_019b07fa-c069-7650-95b0-a14bdf2781e0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities_019b07fa-c069-7650-95b0-a14bdf2781e0NotDimensionallyQualified" xlink:type="arc" order="245"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification_019b07fa-c069-7368-8772-0bcd139a7dc9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification_019b07fa-c069-7368-8772-0bcd139a7dc9NotDimensionallyQualified" xlink:type="arc" order="246"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NameOfParentEntity_019b07fa-c069-7104-86b5-9c4a255080aaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NameOfParentEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NameOfParentEntity_019b07fa-c069-7104-86b5-9c4a255080aaNotDimensionallyQualified" xlink:type="arc" order="247"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NameOfUltimateParentOfGroup_019b07fa-c069-7702-af75-cc4a9c6c4e5eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NameOfUltimateParentOfGroup"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NameOfUltimateParentOfGroup_019b07fa-c069-7702-af75-cc4a9c6c4e5eNotDimensionallyQualified" xlink:type="arc" order="248"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity_019b07fa-c069-7da2-bf77-c8acad6f8f80NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AddressOfRegisteredOfficeOfEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity_019b07fa-c069-7da2-bf77-c8acad6f8f80NotDimensionallyQualified" xlink:type="arc" order="249"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DomicileOfEntity_019b07fa-c069-766d-bdd6-0d050d46032fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DomicileOfEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DomicileOfEntity_019b07fa-c069-766d-bdd6-0d050d46032fNotDimensionallyQualified" xlink:type="arc" order="250"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfIncorporation_019b07fa-c069-76a4-aefc-84804c1e5d19NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CountryOfIncorporation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CountryOfIncorporation_019b07fa-c069-76a4-aefc-84804c1e5d19NotDimensionallyQualified" xlink:type="arc" order="251"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalFormOfEntity_019b07fa-c069-7647-94d3-5eef4f5d9b9eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LegalFormOfEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_LegalFormOfEntity_019b07fa-c069-7647-94d3-5eef4f5d9b9eNotDimensionallyQualified" xlink:type="arc" order="252"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare_019b07fa-c069-72a9-a5bb-74d14499ded6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare_019b07fa-c069-72a9-a5bb-74d14499ded6NotDimensionallyQualified" xlink:type="arc" order="253"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_019b07fa-c069-7f9e-8994-df126fdf8685NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_019b07fa-c069-7f9e-8994-df126fdf8685NotDimensionallyQualified" xlink:type="arc" order="254"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners_019b07fa-c069-7b62-a007-dac186f37a84NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners_019b07fa-c069-7b62-a007-dac186f37a84NotDimensionallyQualified" xlink:type="arc" order="255"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.mandg.com/role/Anchoring" xlink:type="simple" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#Anchoring"/>
  <link:definitionLink xlink:role="http://www.mandg.com/role/Anchoring" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-bf91-7f7e-83cc-771d17f77575" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AccrualsDeferredIncomeAndOtherLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-bf91-7f7e-83cc-771d17f77575" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccruedIncomeOtherThanContractAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccruedIncomeOtherThanContractAssets"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-bf91-7f7e-83cc-771d17f77575" xlink:to="loc_ifrs-full_AccruedIncomeOtherThanContractAssets" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-bf91-7f7e-83cc-771d17f77575" xlink:to="loc_ifrs-full_OtherLiabilities" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredIncomeOtherThanContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_mgplc_AccrualsDeferredIncomeAndOtherLiabilities_019b07fa-bf91-7f7e-83cc-771d17f77575" xlink:to="loc_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AccruedInvestmentIncomeAndOtherDebtors_019b07fa-bf91-7d91-95d6-28a7e0a35eb3" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AccruedInvestmentIncomeAndOtherDebtors"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_mgplc_AccruedInvestmentIncomeAndOtherDebtors_019b07fa-bf91-7d91-95d6-28a7e0a35eb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome_019b07fa-bf91-7ecc-95bc-a27b78dc53af" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:to="loc_mgplc_AdjustmentsForInterestIncomeAndExpenseAndDividendIncome_019b07fa-bf91-7ecc-95bc-a27b78dc53af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_AdjustmentsForInvestments_019b07fa-bf91-7cf6-9e92-5e0b6bcdf841" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_AdjustmentsForInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="loc_mgplc_AdjustmentsForInvestments_019b07fa-bf91-7cf6-9e92-5e0b6bcdf841" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019b07fa-bf91-7fff-91d6-a9692f423b7f" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:to="loc_mgplc_CashAcquiredOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019b07fa-bf91-7fff-91d6-a9692f423b7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019b07fa-bf91-7b47-86ff-2b8e8e329b60" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_mgplc_CashPaidOnAcquisitionsOfSubsidiariesJointVenturesAndAssociates_019b07fa-bf91-7b47-86ff-2b8e8e329b60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_DeferredAcquisitionCosts_019b07fa-bf91-726c-9340-9e3dab6eb608" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_DeferredAcquisitionCosts"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_mgplc_DeferredAcquisitionCosts_019b07fa-bf91-726c-9340-9e3dab6eb608" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_Deposits_019b07fa-bf91-750c-999b-78bd68aa36db" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_Deposits"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Assets" xlink:to="loc_mgplc_Deposits_019b07fa-bf91-750c-999b-78bd68aa36db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ExpenseRecognisedInRespectOfShareBasedPayments_019b07fa-bf91-7898-90bd-b53816be2106" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ExpenseRecognisedInRespectOfShareBasedPayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="loc_mgplc_ExpenseRecognisedInRespectOfShareBasedPayments_019b07fa-bf91-7898-90bd-b53816be2106" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities_019b07fa-bf91-7887-bb59-ef677f9af003" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="loc_mgplc_IncomeTaxesPaidAtPolicyholderRatesClassifiedAsOperatingActivities_019b07fa-bf91-7887-bb59-ef677f9af003" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019b07fa-bf91-727e-be14-cef68754aebd" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InsuranceContractsIssuedThatAreLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceContractsIssuedThatAreLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_InsuranceContractsIssuedThatAreLiabilities" xlink:to="loc_mgplc_InvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019b07fa-bf91-727e-be14-cef68754aebd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns_019b07fa-bf91-75ec-856f-3cd811553d5e" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="loc_mgplc_LessTaxChargecreditAttributableToPolicyholdersReturns_019b07fa-bf91-75ec-856f-3cd811553d5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_Loans_019b07fa-bf91-7b3a-a591-eec3f902d4e7" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_Loans"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndReceivables"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_LoansAndReceivables" xlink:to="loc_mgplc_Loans_019b07fa-bf91-7b3a-a591-eec3f902d4e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_MovementsInThirdPartyInterestInConsolidatedFunds_019b07fa-bf91-7c6a-9a4d-a99b2ebf2b77" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_MovementsInThirdPartyInterestInConsolidatedFunds"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="loc_mgplc_MovementsInThirdPartyInterestInConsolidatedFunds_019b07fa-bf91-7c6a-9a4d-a99b2ebf2b77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019cbdd3-b8af-75be-9a4e-c7848d831b28" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInInsuranceReinsuranceAndInvestmentContractLiabilities" xlink:to="loc_mgplc_NetChangeInInvestmentContractLiabilitiesWithoutDiscretionaryParticipationFeatures_019cbdd3-b8af-75be-9a4e-c7848d831b28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetInsuranceAndInvestmentResult_019b07fa-bf91-7a48-bf36-bdc8552b51c8" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetInsuranceAndInvestmentResult"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="loc_mgplc_NetInsuranceAndInvestmentResult_019b07fa-bf91-7a48-bf36-bdc8552b51c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NetInsuranceFinanceExpenses_019b07fa-bf91-7f0d-8b0a-9317699cfd13" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NetInsuranceFinanceExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="loc_mgplc_NetInsuranceFinanceExpenses_019b07fa-bf91-7f0d-8b0a-9317699cfd13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_NonControllingInterestsArisingThroughBusinessCombinations_019b07fa-bf91-7be0-9d10-001f564a55ed" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_NonControllingInterestsArisingThroughBusinessCombinations"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ChangesInEquity"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ChangesInEquity" xlink:to="loc_mgplc_NonControllingInterestsArisingThroughBusinessCombinations_019b07fa-bf91-7be0-9d10-001f564a55ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ProfitBeforeTaxAttributableToEquityHolders_019b07fa-bf91-73ea-838e-0c62cf939cb7" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ProfitBeforeTaxAttributableToEquityHolders"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="loc_mgplc_ProfitBeforeTaxAttributableToEquityHolders_019b07fa-bf91-73ea-838e-0c62cf939cb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_RepurchaseOfSubordinatedDebt_019b07fa-bf91-768a-bfda-d78794d8ab0e" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_RepurchaseOfSubordinatedDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfSubordinatedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_RepaymentsOfSubordinatedLiabilities" xlink:to="loc_mgplc_RepurchaseOfSubordinatedDebt_019b07fa-bf91-768a-bfda-d78794d8ab0e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SharesDistributedByEmployeeTrusts_019b07fa-bf91-7294-ac59-02adf516ba61" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SharesDistributedByEmployeeTrusts"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="loc_mgplc_SharesDistributedByEmployeeTrusts_019b07fa-bf91-7294-ac59-02adf516ba61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SharesHeldByEmployeeBenefitTrust_019b07fa-bf91-740b-baaa-c6365104732a" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SharesHeldByEmployeeBenefitTrust"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="loc_mgplc_SharesHeldByEmployeeBenefitTrust_019b07fa-bf91-740b-baaa-c6365104732a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-bf91-7b3d-86ad-04fb2e27814b" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_SubordinatedLiabilitiesAndOtherBorrowings"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-bf91-7b3d-86ad-04fb2e27814b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherBorrowings"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-bf91-7b3d-86ad-04fb2e27814b" xlink:to="loc_ifrs-full_OtherBorrowings" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SubordinatedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_mgplc_SubordinatedLiabilitiesAndOtherBorrowings_019b07fa-bf91-7b3d-86ad-04fb2e27814b" xlink:to="loc_ifrs-full_SubordinatedLiabilities" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TaxChargeAttributableToPolicyholdersReturns_019b07fa-bf91-7499-b985-786b9ab54bf2" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TaxChargeAttributableToPolicyholdersReturns"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="loc_mgplc_TaxChargeAttributableToPolicyholdersReturns_019b07fa-bf91-7499-b985-786b9ab54bf2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TaxChargecreditAttributableToEquityHolders_019b07fa-bf91-79ca-816a-fb175f150ae1" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TaxChargecreditAttributableToEquityHolders"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="loc_mgplc_TaxChargecreditAttributableToEquityHolders_019b07fa-bf91-79ca-816a-fb175f150ae1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_ThirdPartyInterestInConsolidatedFunds_019b07fa-bf91-761b-b079-292e6f5bdb0d" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_ThirdPartyInterestInConsolidatedFunds"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_Liabilities" xlink:to="loc_mgplc_ThirdPartyInterestInConsolidatedFunds_019b07fa-bf91-761b-b079-292e6f5bdb0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_VestedEmployeeShareBasedPayments_019b07fa-bf91-7856-9edb-e5faa2c38bc1" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_VestedEmployeeShareBasedPayments"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="loc_mgplc_VestedEmployeeShareBasedPayments_019b07fa-bf91-7856-9edb-e5faa2c38bc1" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="https://www.esma.europa.eu/xbrl/role/cor/ifrs-dim_role-990000" xlink:type="simple" xlink:href="https://www.esma.europa.eu/taxonomy/2024-03-27/esef_cor.xsd#ifrs-dim_role-990000"/>
  <link:definitionLink xlink:role="https://www.esma.europa.eu/xbrl/role/cor/ifrs-dim_role-990000" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TypeOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TypeOfInvestment"/>
    <link:loc xlink:type="locator" xlink:label="loc_mgplc_TypesOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013_default" xlink:href="254900TWUJUQ44TQJY84-2025-12-31.xsd#mgplc_TypesOfInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mgplc_TypeOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013" xlink:to="loc_mgplc_TypesOfInvestment_019c8fe1-c444-7d40-a6f2-9d39432a5013_default" xlink:type="arc" order="1"/>
  </link:definitionLink>
</link:linkbase>
