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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:df7cc062-6488-4327-af5d-f74b45b13b3c,g:b2396b49-219b-4a5a-b82d-e423bec30fa6-->
<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.eutelsat.com/role/tatdesvariationsdescapitauxpropresStatement" xlink:type="simple" xlink:href="eut-2025-06-30.xsd#tatdesvariationsdescapitauxpropresStatement"/>
  <link:definitionLink xlink:role="http://www.eutelsat.com/role/tatdesvariationsdescapitauxpropresStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract_440d19c5-e66a-427c-b5dc-f5ea5c490233" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable_fb612110-eac6-4a1b-b11e-591469dc24cb" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract_440d19c5-e66a-427c-b5dc-f5ea5c490233" xlink:to="loc_ifrs-full_StatementOfChangesInEquityTable_fb612110-eac6-4a1b-b11e-591469dc24cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="scenario"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis_da01e5de-982a-4b7c-a655-4de0b51802f0" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable_fb612110-eac6-4a1b-b11e-591469dc24cb" xlink:to="loc_ifrs-full_ComponentsOfEquityAxis_da01e5de-982a-4b7c-a655-4de0b51802f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis_da01e5de-982a-4b7c-a655-4de0b51802f0" xlink:to="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember_977546ce-427d-42e6-bc47-d7387040e5b1" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:to="loc_ifrs-full_IssuedCapitalMember_977546ce-427d-42e6-bc47-d7387040e5b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremiumMember_c3c64581-1b48-4d77-bb6a-831045387c50" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SharePremiumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:to="loc_ifrs-full_SharePremiumMember_c3c64581-1b48-4d77-bb6a-831045387c50" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember_b60897cc-7ef8-4b6c-8689-bb6e71d12bce" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:to="loc_ifrs-full_RetainedEarningsMember_b60897cc-7ef8-4b6c-8689-bb6e71d12bce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_1fb21013-21ed-4091-b64b-a964741934dc" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:to="loc_ifrs-full_EquityAttributableToOwnersOfParentMember_1fb21013-21ed-4091-b64b-a964741934dc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember_bda616b5-f324-4dbe-b497-a07bc8c49ccc" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityMember_fb53d413-b172-4dc3-83d1-873d65e7002e" xlink:to="loc_ifrs-full_NoncontrollingInterestsMember_bda616b5-f324-4dbe-b497-a07bc8c49ccc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract_440d19c5-e66a-427c-b5dc-f5ea5c490233" xlink:to="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued_f23a301a-b0a2-4092-875f-aebb2a7b89c7" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_NumberOfSharesIssued_f23a301a-b0a2-4092-875f-aebb2a7b89c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_d7026cce-d151-4e53-9729-42edde2158a5" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Equity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_Equity_d7026cce-d151-4e53-9729-42edde2158a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_4be32063-1497-414d-aea0-283599c3b576" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_ProfitLoss_4be32063-1497-414d-aea0-283599c3b576" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_42087109-536a-4b0c-87b3-b314c095271b" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_OtherComprehensiveIncome_42087109-536a-4b0c-87b3-b314c095271b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome_dd6fbee8-8d61-4d9d-94a7-3e3abe622e21" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_ComprehensiveIncome_dd6fbee8-8d61-4d9d-94a7-3e3abe622e21" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_7a82142b-a57e-4975-87dd-745f820906ea" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_7a82142b-a57e-4975-87dd-745f820906ea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfEquity_f915eda9-f3ea-4796-a60f-1b245950309f" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IssueOfEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_IssueOfEquity_f915eda9-f3ea-4796-a60f-1b245950309f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PrimesDemission_b3b0250c-8f54-4aea-aae6-2bcaa38519fa" xlink:href="eut-2025-06-30.xsd#eut_PrimesDemission"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_eut_PrimesDemission_b3b0250c-8f54-4aea-aae6-2bcaa38519fa" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_6009bee8-87e6-440a-a8b1-3afc36b02288" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_6009bee8-87e6-440a-a8b1-3afc36b02288" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_c0cfb1f1-b5ff-4c67-bffe-1e2b6f88a414" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_c0cfb1f1-b5ff-4c67-bffe-1e2b6f88a414" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_c6756396-8bdb-4601-be6f-d559f4d6c9ed" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems_4745c854-eceb-4629-b525-338cc1c971ca" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_c6756396-8bdb-4601-be6f-d559f4d6c9ed" xlink:type="arc" order="11"/>
  </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/2022-03-24/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/2022-03-24/esef_cor.xsd#esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss_cd8453e8-a824-43c1-b3f1-d25084030662NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_cd8453e8-a824-43c1-b3f1-d25084030662NotDimensionallyQualified" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax_3da16e2c-9c6e-4058-8149-bc88b57ce8acNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax_3da16e2c-9c6e-4058-8149-bc88b57ce8acNotDimensionallyQualified" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome_a646333d-5526-46dc-a634-bab77828a544NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome_a646333d-5526-46dc-a634-bab77828a544NotDimensionallyQualified" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_7fba87d8-3118-470f-a7c4-568bc50b7df0NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_7fba87d8-3118-470f-a7c4-568bc50b7df0NotDimensionallyQualified" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_c18be31e-a7fb-4c8d-8ed0-bb72b4f3e533NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_c18be31e-a7fb-4c8d-8ed0-bb72b4f3e533NotDimensionallyQualified" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_RecyclageDuResultatGlobalOneWeb_c095de3b-db9b-4893-92d6-1026be7a9e00NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_RecyclageDuResultatGlobalOneWeb"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_RecyclageDuResultatGlobalOneWeb_c095de3b-db9b-4893-92d6-1026be7a9e00NotDimensionallyQualified" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_bdebf9dc-994c-41be-bd06-1ca4fda2d9cdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_bdebf9dc-994c-41be-bd06-1ca4fda2d9cdNotDimensionallyQualified" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_6f3257d0-36df-428a-85ff-7c3172e27e67NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_6f3257d0-36df-428a-85ff-7c3172e27e67NotDimensionallyQualified" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome_a0aaccc3-9b20-478a-a83f-4fdd8716990cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a0aaccc3-9b20-478a-a83f-4fdd8716990cNotDimensionallyQualified" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome_e720be30-e50f-4153-9027-d2badc66a4ebNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_e720be30-e50f-4153-9027-d2badc66a4ebNotDimensionallyQualified" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_5860f033-7966-48cf-8897-7b79f408b796NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_5860f033-7966-48cf-8897-7b79f408b796NotDimensionallyQualified" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_3ce7d7ab-8f67-4a16-83c1-573a8f79f6a0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_3ce7d7ab-8f67-4a16-83c1-573a8f79f6a0NotDimensionallyQualified" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal_064e5cba-f08f-4652-a774-3eb54732fed7NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal_064e5cba-f08f-4652-a774-3eb54732fed7NotDimensionallyQualified" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal_b899bc53-f8c4-4f59-abfc-7714e63310f7NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal_b899bc53-f8c4-4f59-abfc-7714e63310f7NotDimensionallyQualified" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres_5d39a97d-5dff-41e9-ba39-773fa56ab56dNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres_5d39a97d-5dff-41e9-ba39-773fa56ab56dNotDimensionallyQualified" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers_be24490a-f0db-41b3-aea9-01d6ab74764dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RevenueFromContractsWithCustomers_be24490a-f0db-41b3-aea9-01d6ab74764dNotDimensionallyQualified" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales_3d51a357-5f5b-496d-a6c4-a6ea5b02e80eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CostOfSales"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CostOfSales_3d51a357-5f5b-496d-a6c4-a6ea5b02e80eNotDimensionallyQualified" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpense_f89791da-98f7-43b9-8090-47f267cf6247NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_SellingGeneralAndAdministrativeExpense_f89791da-98f7-43b9-8090-47f267cf6247NotDimensionallyQualified" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense_28951e1d-0b27-4661-9371-86da996858d4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DepreciationAndAmortisationExpense_28951e1d-0b27-4661-9371-86da996858d4NotDimensionallyQualified" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherOperatingIncomeExpense_71733e59-2e31-4fe2-b2a2-b743e461ef80NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherOperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherOperatingIncomeExpense_71733e59-2e31-4fe2-b2a2-b743e461ef80NotDimensionallyQualified" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities_ba3c3c2b-bc6d-4f10-8e2c-b91aa0acad4bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProfitLossFromOperatingActivities_ba3c3c2b-bc6d-4f10-8e2c-b91aa0acad4bNotDimensionallyQualified" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_CoutDeLaDetteNette_d3d59659-b5e9-40c8-82ed-872c99bf0863NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_CoutDeLaDetteNette"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_CoutDeLaDetteNette_d3d59659-b5e9-40c8-82ed-872c99bf0863NotDimensionallyQualified" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceIncomeCost_c96a6005-9936-4c3d-88c3-08abdf46a3b2NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_c96a6005-9936-4c3d-88c3-08abdf46a3b2NotDimensionallyQualified" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost_c49de70c-806c-470a-8d65-6cea6a5ba73dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_FinanceIncomeCost_c49de70c-806c-470a-8d65-6cea6a5ba73dNotDimensionallyQualified" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax_9ec4095a-37a8-496a-b1ae-262c0dbabf5dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_9ec4095a-37a8-496a-b1ae-262c0dbabf5dNotDimensionallyQualified" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations_d7771a03-d004-45b6-a364-52c8e17f0733NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_d7771a03-d004-45b6-a364-52c8e17f0733NotDimensionallyQualified" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_85626b70-84fa-4f7d-85d3-ae694f3ba04aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_85626b70-84fa-4f7d-85d3-ae694f3ba04aNotDimensionallyQualified" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent_459a375c-4405-4cd0-85de-b76195ef3e76NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_459a375c-4405-4cd0-85de-b76195ef3e76NotDimensionallyQualified" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_a0d31a1f-967c-4290-b1b3-00ba3f4da031NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a0d31a1f-967c-4290-b1b3-00ba3f4da031NotDimensionallyQualified" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare_64642b57-8e85-460a-86ab-9e55a9155900NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_64642b57-8e85-460a-86ab-9e55a9155900NotDimensionallyQualified" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare_fbe5c887-7c84-476e-84a9-f7d493e7a6c6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_fbe5c887-7c84-476e-84a9-f7d493e7a6c6NotDimensionallyQualified" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill_121cde20-934f-44e6-b93c-2154bd1cf8e8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Goodwill_121cde20-934f-44e6-b93c-2154bd1cf8e8NotDimensionallyQualified" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill_c4a12632-4ff2-46f5-a44c-57d22d4d7a29NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill_c4a12632-4ff2-46f5-a44c-57d22d4d7a29NotDimensionallyQualified" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentExpendituresRecognisedForConstructions_e006cd09-920a-402d-a8ba-a0b8a3f46fb7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PropertyPlantAndEquipmentExpendituresRecognisedForConstructions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PropertyPlantAndEquipmentExpendituresRecognisedForConstructions_e006cd09-920a-402d-a8ba-a0b8a3f46fb7NotDimensionallyQualified" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets_7996dee7-fd32-4fbf-acf3-363bc59b79ceNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RightofuseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RightofuseAssets_7996dee7-fd32-4fbf-acf3-363bc59b79ceNotDimensionallyQualified" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod_32d1d887-8647-49e1-94be-b933b7a7e572NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod_32d1d887-8647-49e1-94be-b933b7a7e572NotDimensionallyQualified" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialAssets_87e01517-7617-4e73-b80f-1e4357697c2fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherNoncurrentFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherNoncurrentFinancialAssets_87e01517-7617-4e73-b80f-1e4357697c2fNotDimensionallyQualified" xlink:type="arc" order="36"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentContractAssets_5681108d-c3a8-4a2c-be50-a0e32f1767bfNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentContractAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentContractAssets_5681108d-c3a8-4a2c-be50-a0e32f1767bfNotDimensionallyQualified" xlink:type="arc" order="37"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets_e3b4732a-61e6-46a5-b1bc-f793b13be05fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_e3b4732a-61e6-46a5-b1bc-f793b13be05fNotDimensionallyQualified" xlink:type="arc" order="38"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets_ef926d82-6d74-47d4-a664-b95d69bc7e82NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentAssets_ef926d82-6d74-47d4-a664-b95d69bc7e82NotDimensionallyQualified" xlink:type="arc" order="39"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories_1ebca901-faa7-4945-b995-1655fdb5051cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_Inventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_Inventories_1ebca901-faa7-4945-b995-1655fdb5051cNotDimensionallyQualified" xlink:type="arc" order="40"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTradeReceivables_08f4f1cd-916f-4183-bf06-dbb4342e8cc8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTradeReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentTradeReceivables_08f4f1cd-916f-4183-bf06-dbb4342e8cc8NotDimensionallyQualified" xlink:type="arc" order="41"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractAssets_863a0501-ed90-478b-8ae5-8b571ab359bcNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentContractAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentContractAssets_863a0501-ed90-478b-8ae5-8b571ab359bcNotDimensionallyQualified" xlink:type="arc" order="42"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets_3591f522-d2b2-4b2a-89fd-b47d99a1b477NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherCurrentAssets_3591f522-d2b2-4b2a-89fd-b47d99a1b477NotDimensionallyQualified" xlink:type="arc" order="43"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent_5ad49c50-a192-423f-a977-7356aff0172fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentTaxAssetsCurrent_5ad49c50-a192-423f-a977-7356aff0172fNotDimensionallyQualified" xlink:type="arc" order="44"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentFinancialAssets_33442c7e-ffeb-4249-80a7-34275ce9a132NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherCurrentFinancialAssets_33442c7e-ffeb-4249-80a7-34275ce9a132NotDimensionallyQualified" xlink:type="arc" order="45"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentFinancialAssets_2dde65c5-dadf-4309-8c39-a1981322c4ccNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentFinancialAssets_2dde65c5-dadf-4309-8c39-a1981322c4ccNotDimensionallyQualified" xlink:type="arc" order="46"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents_609975b8-5723-43a5-9955-224e586ebb2cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_609975b8-5723-43a5-9955-224e586ebb2cNotDimensionallyQualified" xlink:type="arc" order="47"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_e5432ceb-eb13-46ef-a3e9-182e7fe91038NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_e5432ceb-eb13-46ef-a3e9-182e7fe91038NotDimensionallyQualified" xlink:type="arc" order="48"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_65f12f31-5b2b-43b1-abd0-e58ecee36cd4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_65f12f31-5b2b-43b1-abd0-e58ecee36cd4NotDimensionallyQualified" xlink:type="arc" order="49"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets_952f24e8-c19c-4e8c-b06d-22ecabf75724NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentAssets_952f24e8-c19c-4e8c-b06d-22ecabf75724NotDimensionallyQualified" xlink:type="arc" order="50"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets_f7c22528-8df8-4441-ae3a-d0216bcc1166NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_f7c22528-8df8-4441-ae3a-d0216bcc1166NotDimensionallyQualified" xlink:type="arc" order="51"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital_371bb92c-6d18-483d-a5a5-17e0a7b437e5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_371bb92c-6d18-483d-a5a5-17e0a7b437e5NotDimensionallyQualified" xlink:type="arc" order="52"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharePremium_ddcb2ac1-071d-44b6-a472-74af6808baf7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_ddcb2ac1-071d-44b6-a472-74af6808baf7NotDimensionallyQualified" xlink:type="arc" order="53"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings_2eaebab4-792e-4840-a6ab-d4951ff66613NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_2eaebab4-792e-4840-a6ab-d4951ff66613NotDimensionallyQualified" xlink:type="arc" order="54"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests_6c18804d-8a64-4e6b-b002-8aecee1e5413NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_6c18804d-8a64-4e6b-b002-8aecee1e5413NotDimensionallyQualified" xlink:type="arc" order="55"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity_8215c630-4b98-4f17-9eed-af14bc09c50bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_8215c630-4b98-4f17-9eed-af14bc09c50bNotDimensionallyQualified" xlink:type="arc" order="56"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings_306e3ae0-acee-4c11-a02b-496236fbbb4eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_LongtermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_LongtermBorrowings_306e3ae0-acee-4c11-a02b-496236fbbb4eNotDimensionallyQualified" xlink:type="arc" order="57"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities_7737de39-5e0e-4a06-aeb4-3c6a6c013698NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentLeaseLiabilities_7737de39-5e0e-4a06-aeb4-3c6a6c013698NotDimensionallyQualified" xlink:type="arc" order="58"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialLiabilities_e4412f02-79ab-46a0-888e-c6a365144865NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherNoncurrentFinancialLiabilities_e4412f02-79ab-46a0-888e-c6a365144865NotDimensionallyQualified" xlink:type="arc" order="59"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPayablesForPurchaseOfNoncurrentAssets_f3095743-4795-4a1d-aeaa-53abfa988deaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentPayablesForPurchaseOfNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentPayablesForPurchaseOfNoncurrentAssets_f3095743-4795-4a1d-aeaa-53abfa988deaNotDimensionallyQualified" xlink:type="arc" order="60"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentContractLiabilities_b78cf9c4-a1d5-48ff-b5c8-a777faaac604NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentContractLiabilities_b78cf9c4-a1d5-48ff-b5c8-a777faaac604NotDimensionallyQualified" xlink:type="arc" order="61"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentProvisions_23751ecf-1d3b-4f5e-8003-b304f8c33390NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentProvisions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentProvisions_23751ecf-1d3b-4f5e-8003-b304f8c33390NotDimensionallyQualified" xlink:type="arc" order="62"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities_35f05bce-e91d-4fca-be42-7e64d83922a3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_35f05bce-e91d-4fca-be42-7e64d83922a3NotDimensionallyQualified" xlink:type="arc" order="63"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities_687d475c-a1e0-4938-8d0d-43ed37c07447NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_NoncurrentLiabilities_687d475c-a1e0-4938-8d0d-43ed37c07447NotDimensionallyQualified" xlink:type="arc" order="64"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_6cf1642b-8b8e-45b5-84f9-1d8c4a66d5e8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_6cf1642b-8b8e-45b5-84f9-1d8c4a66d5e8NotDimensionallyQualified" xlink:type="arc" order="65"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities_30ed4b8e-4ff7-4dd8-85dc-039b009b5aa1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLeaseLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentLeaseLiabilities_30ed4b8e-4ff7-4dd8-85dc-039b009b5aa1NotDimensionallyQualified" xlink:type="arc" order="66"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentFinancialLiabilities_85e5beb9-2214-4c29-901f-3b78db365309NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCurrentFinancialLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherCurrentFinancialLiabilities_85e5beb9-2214-4c29-901f-3b78db365309NotDimensionallyQualified" xlink:type="arc" order="67"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_ca08fed1-23d2-4785-aa4b-8c5a71d14868NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_ca08fed1-23d2-4785-aa4b-8c5a71d14868NotDimensionallyQualified" xlink:type="arc" order="68"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPayablesForPurchaseOfNoncurrentAssets_d5613d45-0e1d-47e7-bff2-08ca8036fd12NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentPayablesForPurchaseOfNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentPayablesForPurchaseOfNoncurrentAssets_d5613d45-0e1d-47e7-bff2-08ca8036fd12NotDimensionallyQualified" xlink:type="arc" order="69"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent_084ef7d0-a730-48ea-9365-b91e7a071430NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentTaxLiabilitiesCurrent_084ef7d0-a730-48ea-9365-b91e7a071430NotDimensionallyQualified" xlink:type="arc" order="70"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentContractLiabilities_3383aaaa-147a-4ada-9d23-520709d992d7NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentContractLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentContractLiabilities_3383aaaa-147a-4ada-9d23-520709d992d7NotDimensionallyQualified" xlink:type="arc" order="71"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions_e1237597-637a-4cd0-bd57-d699eb8af389NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentProvisions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentProvisions_e1237597-637a-4cd0-bd57-d699eb8af389NotDimensionallyQualified" xlink:type="arc" order="72"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale_76e4dbcb-5819-4bd3-9922-274a42044a92NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_76e4dbcb-5819-4bd3-9922-274a42044a92NotDimensionallyQualified" xlink:type="arc" order="73"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities_885e4b85-1cf2-4597-a12d-0e93364063a9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CurrentLiabilities_885e4b85-1cf2-4597-a12d-0e93364063a9NotDimensionallyQualified" xlink:type="arc" order="74"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities_33f796cf-49fa-4f3b-af0c-1bf923ec5a1aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_33f796cf-49fa-4f3b-af0c-1bf923ec5a1aNotDimensionallyQualified" xlink:type="arc" order="75"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_ac12e89b-c23f-49fe-a943-fd94a6bb587eNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_ac12e89b-c23f-49fe-a943-fd94a6bb587eNotDimensionallyQualified" xlink:type="arc" order="76"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_4bb60acb-332e-4efe-80a4-ea14e45cd99fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_4bb60acb-332e-4efe-80a4-ea14e45cd99fNotDimensionallyQualified" xlink:type="arc" order="77"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ImpotsDifferes_6110f18f-90de-4c6e-bd5b-fd1969142c10NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_ImpotsDifferes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_ImpotsDifferes_6110f18f-90de-4c6e-bd5b-fd1969142c10NotDimensionallyQualified" xlink:type="arc" order="78"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_15d239de-a7a2-47b0-9e7f-027c93130e99NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_15d239de-a7a2-47b0-9e7f-027c93130e99NotDimensionallyQualified" xlink:type="arc" order="79"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_cdff0e41-3e1b-44af-a968-0227d4fdad32NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables_cdff0e41-3e1b-44af-a968-0227d4fdad32NotDimensionallyQualified" xlink:type="arc" order="80"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_4aa76a46-3f2c-405f-93b6-583208cc097cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_4aa76a46-3f2c-405f-93b6-583208cc097cNotDimensionallyQualified" xlink:type="arc" order="81"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_3546ffd1-8d5a-43c3-98ac-224b19fae119NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables_3546ffd1-8d5a-43c3-98ac-224b19fae119NotDimensionallyQualified" xlink:type="arc" order="82"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_160b110f-b2b9-4254-aff8-4f111e586abdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_160b110f-b2b9-4254-aff8-4f111e586abdNotDimensionallyQualified" xlink:type="arc" order="83"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperations_53d8a106-207d-4439-a37d-bf9c454a2ee0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperations_53d8a106-207d-4439-a37d-bf9c454a2ee0NotDimensionallyQualified" xlink:type="arc" order="84"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_516abf25-2b3c-49cc-8a48-66a7d78ab17eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets_516abf25-2b3c-49cc-8a48-66a7d78ab17eNotDimensionallyQualified" xlink:type="arc" order="85"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ProduitDeLiberationDeLaBandeC_0af4d28f-bebb-40ed-9d53-1e9cb2126431NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_ProduitDeLiberationDeLaBandeC"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_ProduitDeLiberationDeLaBandeC_0af4d28f-bebb-40ed-9d53-1e9cb2126431NotDimensionallyQualified" xlink:type="arc" order="86"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_0e1a48ab-0fda-41d0-b3e1-8c57fc91586cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_0e1a48ab-0fda-41d0-b3e1-8c57fc91586cNotDimensionallyQualified" xlink:type="arc" order="87"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities_1e4ec321-f67e-46db-ac8d-8c06a21d5b2bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_1e4ec321-f67e-46db-ac8d-8c06a21d5b2bNotDimensionallyQualified" xlink:type="arc" order="88"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_b314edba-2fc7-4fae-b5b1-3aa49cf30511NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_b314edba-2fc7-4fae-b5b1-3aa49cf30511NotDimensionallyQualified" xlink:type="arc" order="89"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_293d397b-0294-4e33-8819-63c0a6d86ae4NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_293d397b-0294-4e33-8819-63c0a6d86ae4NotDimensionallyQualified" xlink:type="arc" order="90"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares_76c0057c-e4f9-4c6e-bb1a-c7397490bd13NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_76c0057c-e4f9-4c6e-bb1a-c7397490bd13NotDimensionallyQualified" xlink:type="arc" order="91"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_7031b613-0bb1-4657-bd1f-af0452481fc6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_7031b613-0bb1-4657-bd1f-af0452481fc6NotDimensionallyQualified" xlink:type="arc" order="92"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_50c9ea7a-3b4d-43fe-bc0e-381fff4c916fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_50c9ea7a-3b4d-43fe-bc0e-381fff4c916fNotDimensionallyQualified" xlink:type="arc" order="93"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_6513dc49-8487-49fa-8b4a-329930a9a2edNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_6513dc49-8487-49fa-8b4a-329930a9a2edNotDimensionallyQualified" xlink:type="arc" order="94"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_FraisDemissionDemprunt_9d77e223-1e8a-4ace-bf0d-ffbc9f1f00d0NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_FraisDemissionDemprunt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_FraisDemissionDemprunt_9d77e223-1e8a-4ace-bf0d-ffbc9f1f00d0NotDimensionallyQualified" xlink:type="arc" order="95"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities_a5c0177e-40d7-4d8b-98b4-12def295bb7bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a5c0177e-40d7-4d8b-98b4-12def295bb7bNotDimensionallyQualified" xlink:type="arc" order="96"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement_dd4c31a4-34df-48f2-9f74-93fdfe958a22NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement_dd4c31a4-34df-48f2-9f74-93fdfe958a22NotDimensionallyQualified" xlink:type="arc" order="97"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives_d4f0da68-682e-4baf-a5f9-ff4a5ac97fb7NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives_d4f0da68-682e-4baf-a5f9-ff4a5ac97fb7NotDimensionallyQualified" xlink:type="arc" order="98"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_d409f047-0f01-411a-bf97-1ab1c3d49536NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_d409f047-0f01-411a-bf97-1ab1c3d49536NotDimensionallyQualified" xlink:type="arc" order="99"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities_7cdc481b-249d-4bbf-b1ac-906e95e88edbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_7cdc481b-249d-4bbf-b1ac-906e95e88edbNotDimensionallyQualified" xlink:type="arc" order="100"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_08cf54c5-f27c-4685-abaa-91af3445329cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_08cf54c5-f27c-4685-abaa-91af3445329cNotDimensionallyQualified" xlink:type="arc" order="101"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresVariations_70d78002-730a-4051-afca-84a2a699c78cNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresVariations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAutresVariations_70d78002-730a-4051-afca-84a2a699c78cNotDimensionallyQualified" xlink:type="arc" order="102"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_f344567a-2fe3-4b99-a063-044ff8c61c0fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_f344567a-2fe3-4b99-a063-044ff8c61c0fNotDimensionallyQualified" xlink:type="arc" order="103"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_80886315-2d04-4cea-aedc-411f0eea1bcdNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BankOverdraftsClassifiedAsCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_80886315-2d04-4cea-aedc-411f0eea1bcdNotDimensionallyQualified" xlink:type="arc" order="104"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC_5d286834-11c0-4615-95e8-627e10e5d4e1NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC_5d286834-11c0-4615-95e8-627e10e5d4e1NotDimensionallyQualified" xlink:type="arc" order="105"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite_9ed7cf0f-f04b-4e4a-ab34-4ed5baef69d9NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite_9ed7cf0f-f04b-4e4a-ab34-4ed5baef69d9NotDimensionallyQualified" xlink:type="arc" order="106"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023_3cc8a7ca-0962-4935-8470-e51bdef3580fNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023_3cc8a7ca-0962-4935-8470-e51bdef3580fNotDimensionallyQualified" xlink:type="arc" order="107"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024_191162b0-38c9-4d64-a463-f90d0a11fbfbNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024_191162b0-38c9-4d64-a463-f90d0a11fbfbNotDimensionallyQualified" xlink:type="arc" order="108"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure_5beb7508-7eba-4656-b30b-3c7bb05f7bc8NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure_5beb7508-7eba-4656-b30b-3c7bb05f7bc8NotDimensionallyQualified" xlink:type="arc" order="109"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement_658f2f73-9cdd-413e-80ea-99a828dd1d2bNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement_658f2f73-9cdd-413e-80ea-99a828dd1d2bNotDimensionallyQualified" xlink:type="arc" order="110"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots_65f278bf-1c99-4a2b-acf1-361a48d2c152NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots_65f278bf-1c99-4a2b-acf1-361a48d2c152NotDimensionallyQualified" xlink:type="arc" order="111"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory_ce4144ff-f985-4fae-8555-a0163f955051NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_ce4144ff-f985-4fae-8555-a0163f955051NotDimensionallyQualified" xlink:type="arc" order="112"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_bbcbe5b4-005f-4cbc-a65c-a193d1f7098bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_bbcbe5b4-005f-4cbc-a65c-a193d1f7098bNotDimensionallyQualified" xlink:type="arc" order="113"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_40ebf0c5-23e5-4d94-8c19-220f9fdc9db9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_40ebf0c5-23e5-4d94-8c19-220f9fdc9db9NotDimensionallyQualified" xlink:type="arc" order="114"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_5ac4b988-815a-42a5-ace0-1022006e127dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_5ac4b988-815a-42a5-ace0-1022006e127dNotDimensionallyQualified" xlink:type="arc" order="115"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_d9c2f16e-91ad-4d66-973d-1a068c6637e2NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_d9c2f16e-91ad-4d66-973d-1a068c6637e2NotDimensionallyQualified" xlink:type="arc" order="116"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_0721226c-4adc-4eb1-9d70-f94301b2365eNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory_0721226c-4adc-4eb1-9d70-f94301b2365eNotDimensionallyQualified" xlink:type="arc" order="117"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory_a15bdcfa-fb3c-4568-afc1-ab771981548cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a15bdcfa-fb3c-4568-afc1-ab771981548cNotDimensionallyQualified" xlink:type="arc" order="118"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRevenueExplanatory_3323108a-673f-495c-9960-5a3721e84a4dNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_3323108a-673f-495c-9960-5a3721e84a4dNotDimensionallyQualified" xlink:type="arc" order="119"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory_9c15a8e7-06ef-45a8-9789-77e88afcaeb1NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_9c15a8e7-06ef-45a8-9789-77e88afcaeb1NotDimensionallyQualified" xlink:type="arc" order="120"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory_6f578f9a-3c96-481b-a686-f9367f73a353NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfExpensesByNatureExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfExpensesByNatureExplanatory_6f578f9a-3c96-481b-a686-f9367f73a353NotDimensionallyQualified" xlink:type="arc" order="121"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_59edc8d4-ef21-4dff-bd5f-d0616aed7ae6NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_59edc8d4-ef21-4dff-bd5f-d0616aed7ae6NotDimensionallyQualified" xlink:type="arc" order="122"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory_f25adfdf-6bc9-4b87-9943-20b236dd9f31NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory_f25adfdf-6bc9-4b87-9943-20b236dd9f31NotDimensionallyQualified" xlink:type="arc" order="123"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestExpenseExplanatory_ae3a9cd6-46fa-4e23-a1ec-fc474258b054NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_ae3a9cd6-46fa-4e23-a1ec-fc474258b054NotDimensionallyQualified" xlink:type="arc" order="124"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIncomeTaxExplanatory_fc87e233-3460-4098-aae0-386b5866a80bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_fc87e233-3460-4098-aae0-386b5866a80bNotDimensionallyQualified" xlink:type="arc" order="125"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_c0e21c06-c063-4ed8-8f4d-89ee92059751NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_c0e21c06-c063-4ed8-8f4d-89ee92059751NotDimensionallyQualified" xlink:type="arc" order="126"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_cf141a9f-8f87-4456-8891-f753e463c66bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_cf141a9f-8f87-4456-8891-f753e463c66bNotDimensionallyQualified" xlink:type="arc" order="127"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory_337e97f7-84b9-440c-b80f-b967e4598719NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_337e97f7-84b9-440c-b80f-b967e4598719NotDimensionallyQualified" xlink:type="arc" order="128"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_314e024a-925c-4815-bd8e-9bd9c5aba230NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_314e024a-925c-4815-bd8e-9bd9c5aba230NotDimensionallyQualified" xlink:type="arc" order="129"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_94f0a461-60bd-496d-a02d-a86018d6b512NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_94f0a461-60bd-496d-a02d-a86018d6b512NotDimensionallyQualified" xlink:type="arc" order="130"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_7ac09572-b31b-4295-bbdc-d33a99b0bc6aNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_7ac09572-b31b-4295-bbdc-d33a99b0bc6aNotDimensionallyQualified" xlink:type="arc" order="131"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_033d4a3a-f842-4f4a-9d6c-7f6118ac807bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_033d4a3a-f842-4f4a-9d6c-7f6118ac807bNotDimensionallyQualified" xlink:type="arc" order="132"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_af06584a-3875-43a0-94f1-3b2e2b0bdc9bNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_af06584a-3875-43a0-94f1-3b2e2b0bdc9bNotDimensionallyQualified" xlink:type="arc" order="133"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_0a5921b8-2c3a-47ab-9d7e-19837f0266bfNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_0a5921b8-2c3a-47ab-9d7e-19837f0266bfNotDimensionallyQualified" xlink:type="arc" order="134"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory_9303138b-5a2d-4945-ae69-e6ec2a93e0b5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_9303138b-5a2d-4945-ae69-e6ec2a93e0b5NotDimensionallyQualified" xlink:type="arc" order="135"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_77677465-d6e4-4bf2-bd4b-3a5475de7887NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_77677465-d6e4-4bf2-bd4b-3a5475de7887NotDimensionallyQualified" xlink:type="arc" order="136"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_6517e1b0-ccc0-4a8a-bec0-8e7d5483cc9cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_6517e1b0-ccc0-4a8a-bec0-8e7d5483cc9cNotDimensionallyQualified" xlink:type="arc" order="137"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMarketRiskExplanatory_77119b6b-484d-4093-a104-599aced152baNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_77119b6b-484d-4093-a104-599aced152baNotDimensionallyQualified" xlink:type="arc" order="138"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_aabacac2-7eb1-4940-8da3-0320c16fec48NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_aabacac2-7eb1-4940-8da3-0320c16fec48NotDimensionallyQualified" xlink:type="arc" order="139"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIssuedCapitalExplanatory_3d379f3b-0bce-4eed-a261-6bb5ee8fc125NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_3d379f3b-0bce-4eed-a261-6bb5ee8fc125NotDimensionallyQualified" xlink:type="arc" order="140"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_a42dbc60-d843-4046-b914-e254f19dec88NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a42dbc60-d843-4046-b914-e254f19dec88NotDimensionallyQualified" xlink:type="arc" order="141"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory_4c1cb316-8c2a-48e3-980c-c01d8cd99886NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_4c1cb316-8c2a-48e3-980c-c01d8cd99886NotDimensionallyQualified" xlink:type="arc" order="142"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_fcb2f795-7966-4e9d-b567-5527d7cb4f36NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_fcb2f795-7966-4e9d-b567-5527d7cb4f36NotDimensionallyQualified" xlink:type="arc" order="143"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_d439b2ef-4baf-4f67-9b23-5608b0e20e20NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_d439b2ef-4baf-4f67-9b23-5608b0e20e20NotDimensionallyQualified" xlink:type="arc" order="144"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_9371df8e-d949-498b-8e69-690ede37e1bcNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_9371df8e-d949-498b-8e69-690ede37e1bcNotDimensionallyQualified" xlink:type="arc" order="145"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDeLaProceduresDeControleFiscal_52abbcbc-d740-4e61-aed8-a45016410413NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_PresentationDeLaProceduresDeControleFiscal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_PresentationDeLaProceduresDeControleFiscal_52abbcbc-d740-4e61-aed8-a45016410413NotDimensionallyQualified" xlink:type="arc" order="146"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory_69b9685d-5473-4a3f-8130-aae1727d91e0NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_69b9685d-5473-4a3f-8130-aae1727d91e0NotDimensionallyQualified" xlink:type="arc" order="147"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_b17df6f7-101e-49fd-8d5a-55b8f2e254a3NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory_b17df6f7-101e-49fd-8d5a-55b8f2e254a3NotDimensionallyQualified" xlink:type="arc" order="148"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_0c6b44b5-14ce-456b-8a41-854679a3bc38NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_0c6b44b5-14ce-456b-8a41-854679a3bc38NotDimensionallyQualified" xlink:type="arc" order="149"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_b54ebf5e-8599-4b25-a6bf-6c16ae52c20fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_b54ebf5e-8599-4b25-a6bf-6c16ae52c20fNotDimensionallyQualified" xlink:type="arc" order="150"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_a9ce86b1-34db-443f-b642-6b6e076a29dfNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_a9ce86b1-34db-443f-b642-6b6e076a29dfNotDimensionallyQualified" xlink:type="arc" order="151"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_3dd0d82a-452d-4ffe-85ba-cde2c462882fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_3dd0d82a-452d-4ffe-85ba-cde2c462882fNotDimensionallyQualified" xlink:type="arc" order="152"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDesResponsabilitesContractuellesDuClient_976a530a-a251-4860-8082-1a882c7f227eNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_PresentationDesResponsabilitesContractuellesDuClient"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_PresentationDesResponsabilitesContractuellesDuClient_976a530a-a251-4860-8082-1a882c7f227eNotDimensionallyQualified" xlink:type="arc" order="153"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDesActifsEtPassifsContractuelsDesClients_069a4058-9343-4dfd-8652-76e3d34eeabdNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_PresentationDesActifsEtPassifsContractuelsDesClients"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_PresentationDesActifsEtPassifsContractuelsDesClients_069a4058-9343-4dfd-8652-76e3d34eeabdNotDimensionallyQualified" xlink:type="arc" order="154"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory_234b49b5-799f-4888-9d9d-afc53cacffaaNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_234b49b5-799f-4888-9d9d-afc53cacffaaNotDimensionallyQualified" xlink:type="arc" order="155"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_6b891567-ccea-4741-b7f5-751c026dff21NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_6b891567-ccea-4741-b7f5-751c026dff21NotDimensionallyQualified" xlink:type="arc" order="156"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDeLaClassificationCouranteEtNonCourante_7742c0af-26bd-47f9-9f70-a1861342c2a5NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_PresentationDeLaClassificationCouranteEtNonCourante"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_PresentationDeLaClassificationCouranteEtNonCourante_7742c0af-26bd-47f9-9f70-a1861342c2a5NotDimensionallyQualified" xlink:type="arc" order="157"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutEmployeesExplanatory_19780c0b-021e-4653-a112-d1cbf21529fbNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_19780c0b-021e-4653-a112-d1cbf21529fbNotDimensionallyQualified" xlink:type="arc" order="158"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory_5a3d31e9-f442-4ad0-a9cf-93d6f80fbbe8NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory_5a3d31e9-f442-4ad0-a9cf-93d6f80fbbe8NotDimensionallyQualified" xlink:type="arc" order="159"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_afa5c526-a9e7-4a6b-83ef-1ca1554142b5NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_afa5c526-a9e7-4a6b-83ef-1ca1554142b5NotDimensionallyQualified" xlink:type="arc" order="160"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatRemboursementAnticipeDunEmpruntObligataireAu30Juin2024_62027060-ad5f-4509-8f10-53695db5c7f7NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatRemboursementAnticipeDunEmpruntObligataireAu30Juin2024"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatRemboursementAnticipeDunEmpruntObligataireAu30Juin2024_62027060-ad5f-4509-8f10-53695db5c7f7NotDimensionallyQualified" xlink:type="arc" order="161"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatLignesDeCreditEutelsatSAEnJuillet2023_4d52a5d7-f585-4d07-9408-bf1ccbb27695NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatLignesDeCreditEutelsatSAEnJuillet2023"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatLignesDeCreditEutelsatSAEnJuillet2023_4d52a5d7-f585-4d07-9408-bf1ccbb27695NotDimensionallyQualified" xlink:type="arc" order="162"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleResultatNet_2972e466-dced-49b6-812d-ba9c019e66d9NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleResultatNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleResultatNet_2972e466-dced-49b6-812d-ba9c019e66d9NotDimensionallyQualified" xlink:type="arc" order="163"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_e6a69ec9-647c-494b-9964-e794e5aceef2NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_e6a69ec9-647c-494b-9964-e794e5aceef2NotDimensionallyQualified" xlink:type="arc" order="164"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates_da71aa2e-c89b-49fe-adb4-c694049a0b4cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_da71aa2e-c89b-49fe-adb4-c694049a0b4cNotDimensionallyQualified" xlink:type="arc" order="165"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory_a4878946-929a-485a-8371-49ebf46b7b80NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_a4878946-929a-485a-8371-49ebf46b7b80NotDimensionallyQualified" xlink:type="arc" order="166"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceDe34.3MillionsDeurosEtUnImpactNetNegatifDansLesCapitauxPropres_f04b1ec4-0ead-40e9-b715-a3b5484a1685NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceDe34.3MillionsDeurosEtUnImpactNetNegatifDansLesCapitauxPropres"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceDe34.3MillionsDeurosEtUnImpactNetNegatifDansLesCapitauxPropres_f04b1ec4-0ead-40e9-b715-a3b5484a1685NotDimensionallyQualified" xlink:type="arc" order="167"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_38a4eaf2-11bb-49f4-95e4-4c582c65fe3fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_38a4eaf2-11bb-49f4-95e4-4c582c65fe3fNotDimensionallyQualified" xlink:type="arc" order="168"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities_b808358b-5923-46aa-ab46-23d694c522acNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_b808358b-5923-46aa-ab46-23d694c522acNotDimensionallyQualified" xlink:type="arc" order="169"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobalAu30Juin2024_93d1c087-dc8d-48b1-8924-6de3791245caNotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobalAu30Juin2024"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatDecompositionDeLaPartAttribuableAuxParticipationsNeDonnantPasLeControleAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobalAu30Juin2024_93d1c087-dc8d-48b1-8924-6de3791245caNotDimensionallyQualified" xlink:type="arc" order="170"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification_143d7137-b6b1-436a-af9b-4b5257f83006NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_143d7137-b6b1-436a-af9b-4b5257f83006NotDimensionallyQualified" xlink:type="arc" order="171"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalFormOfEntity_03f8337d-1bb0-441f-addc-9297b00c89f9NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_03f8337d-1bb0-441f-addc-9297b00c89f9NotDimensionallyQualified" xlink:type="arc" order="172"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAdresseDeLentite_b7035e3c-b853-43e8-9c1a-5188d92de179NotDimensionallyQualified" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAdresseDeLentite"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_eut_EutelsatAdresseDeLentite_b7035e3c-b853-43e8-9c1a-5188d92de179NotDimensionallyQualified" xlink:type="arc" order="173"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DomicileOfEntity_6f585b18-3d36-481a-8e95-153c16d2006cNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_6f585b18-3d36-481a-8e95-153c16d2006cNotDimensionallyQualified" xlink:type="arc" order="174"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity_1bc829b2-0a80-4c22-a225-9015e25b5039NotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_1bc829b2-0a80-4c22-a225-9015e25b5039NotDimensionallyQualified" xlink:type="arc" order="175"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfIncorporation_26b7bf78-4bf5-4c44-88ce-bfd2717c6b6fNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_26b7bf78-4bf5-4c44-88ce-bfd2717c6b6fNotDimensionallyQualified" xlink:type="arc" order="176"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PrincipalPlaceOfBusiness_84e172bf-1ee4-454b-8d66-a6aea73454beNotDimensionallyQualified" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PrincipalPlaceOfBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_LineItemsNotDimensionallyQualifiedPlaceholder" xlink:to="loc_ifrs-full_PrincipalPlaceOfBusiness_84e172bf-1ee4-454b-8d66-a6aea73454beNotDimensionallyQualified" xlink:type="arc" order="177"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.eutelsat.com/role/Anchoring" xlink:type="simple" xlink:href="eut-2025-06-30.xsd#Anchoring"/>
  <link:definitionLink xlink:role="http://www.eutelsat.com/role/Anchoring" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_70d097b7-fb6e-41f4-9299-cc7d98eda2e5" xlink:href="eut-2025-06-30.xsd#eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_70d097b7-fb6e-41f4-9299-cc7d98eda2e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_70d097b7-fb6e-41f4-9299-cc7d98eda2e5" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_AutresElementsDuResultatGlobalAvantImpotProfitsPertesSurInstrumentsDeCouvertureQuiCouvrentDesPlacementsDansDesInstrumentsDeCapitauxPropres_70d097b7-fb6e-41f4-9299-cc7d98eda2e5" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement_a56952a8-d4cf-4b6e-a5e9-31ef29f81284" xlink:href="eut-2025-06-30.xsd#eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement_a56952a8-d4cf-4b6e-a5e9-31ef29f81284" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_AutresSortiesDeTresoreriePourLacquisitionDeParticipationsDansDesCoentreprisesClasseesDansLesActivitesDinvestissement_a56952a8-d4cf-4b6e-a5e9-31ef29f81284" xlink:to="loc_ifrs-full_OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_3867cd3e-ae46-42f9-a231-986bd540c72d" xlink:href="eut-2025-06-30.xsd#eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperations"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:to="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_3867cd3e-ae46-42f9-a231-986bd540c72d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_3867cd3e-ae46-42f9-a231-986bd540c72d" xlink:to="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForFinanceCosts"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_ChargesDimpotsEtDinteretsAutresElementsDexploitation_3867cd3e-ae46-42f9-a231-986bd540c72d" xlink:to="loc_ifrs-full_AdjustmentsForFinanceCosts" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_CoutDeLaDetteNette_709ca603-9639-4136-983e-0e1e47922fb0" xlink:href="eut-2025-06-30.xsd#eut_CoutDeLaDetteNette"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_FinanceIncomeExpensesFromReinsuranceContractsHeldRecognisedInProfitOrLoss" xlink:to="loc_eut_CoutDeLaDetteNette_709ca603-9639-4136-983e-0e1e47922fb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceIncome"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_CoutDeLaDetteNette_709ca603-9639-4136-983e-0e1e47922fb0" xlink:to="loc_ifrs-full_FinanceIncome" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_FinanceCosts"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_CoutDeLaDetteNette_709ca603-9639-4136-983e-0e1e47922fb0" xlink:to="loc_ifrs-full_FinanceCosts" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement_32ba6dfe-2ed7-4d8c-bab2-a1aaf67f97c5" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_eut_EutelsatAcquisitionDesPartsMinoritairesDEutelsatInternationalEtDeEuroBroadbandServicesRespectivement_32ba6dfe-2ed7-4d8c-bab2-a1aaf67f97c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023_b0e2e565-247a-423e-b0a2-a44416cb792d" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprenantLaTresorerieAcquiseDeOneWebAu28Septembre2023_b0e2e565-247a-423e-b0a2-a44416cb792d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite_ef5ff2f1-998e-4ec6-908c-0f58d914c9ba" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_eut_EutelsatAcquisitionsDeTitresDeParticipationEtAutresMouvementsComprennentLeVersementDunPretDesActionnairesAFTWJVEnArabieSaoudite_ef5ff2f1-998e-4ec6-908c-0f58d914c9ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAdresseDeLentite_9d8488a7-4df0-464b-951f-b3adaed8f693" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAdresseDeLentite"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DomicileOfEntity" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DomicileOfEntity"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_DomicileOfEntity" xlink:to="loc_eut_EutelsatAdresseDeLentite_9d8488a7-4df0-464b-951f-b3adaed8f693" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal_5599827f-2572-48f4-a858-fdd2d0434a93" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:to="loc_eut_EutelsatAutresElementsNonRecyclablesDeGainsEtPertesDuResultatGlobal_5599827f-2572-48f4-a858-fdd2d0434a93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal_84e273fd-5304-4109-9b73-5d7c308a2082" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="loc_eut_EutelsatAutresElementsRecyclablesDeGainsEtPertesDuResultatGlobal_84e273fd-5304-4109-9b73-5d7c308a2082" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatAutresVariations_727ff86e-fcd8-4f0d-922e-77029121d195" xlink:href="eut-2025-06-30.xsd#eut_EutelsatAutresVariations"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="loc_eut_EutelsatAutresVariations_727ff86e-fcd8-4f0d-922e-77029121d195" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024_f9823b46-b4c7-4322-b248-b1ba94d383e2" xlink:href="eut-2025-06-30.xsd#eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_eut_EutelsatCessionDesTitresAirbusOneWebSatellitesAu30Juin2024_f9823b46-b4c7-4322-b248-b1ba94d383e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC_b5616f27-4998-48cb-bc03-d8caca777c19" xlink:href="eut-2025-06-30.xsd#eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="loc_eut_EutelsatImpotsPayesAuTitreDuProduitDeLiberationDeLaBandeC_b5616f27-4998-48cb-bc03-d8caca777c19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres_8147ecf1-fb8b-41f3-9003-b57b77268a55" xlink:href="eut-2025-06-30.xsd#eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NoncurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="loc_eut_EutelsatLesRetraitementsTraduitsParUneHausseDesProduitsConstatesDavanceEtUnImpactNetNegatifDansLesCapitauxPropres_8147ecf1-fb8b-41f3-9003-b57b77268a55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure_bac8ffe8-8336-4902-8406-bed2fff7bed9" xlink:href="eut-2025-06-30.xsd#eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_eut_EutelsatPaiementDunComplementDePrixLieALaCessionDEuroBroadbandInfrastructure_bac8ffe8-8336-4902-8406-bed2fff7bed9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots_48b16d07-9b20-4ecf-b368-bdb82c235cc4" xlink:href="eut-2025-06-30.xsd#eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="loc_eut_EutelsatProduitDeLiberationDeLaBandeCNetDimpots_48b16d07-9b20-4ecf-b368-bdb82c235cc4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_FraisDemissionDemprunt_ca3aa6ca-a112-4c4a-9710-ee9875ba3a08" xlink:href="eut-2025-06-30.xsd#eut_FraisDemissionDemprunt"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_eut_FraisDemissionDemprunt_ca3aa6ca-a112-4c4a-9710-ee9875ba3a08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_d7cd4d37-b15a-41e8-898d-fd3ed8f20877" xlink:href="eut-2025-06-30.xsd#eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_d7cd4d37-b15a-41e8-898d-fd3ed8f20877" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_d7cd4d37-b15a-41e8-898d-fd3ed8f20877" xlink:to="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToHedgesOfNetInvestmentsInForeignOperationsOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxRelatingToHedgesOfNetInvestmentsInForeignOperationsOfOtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_eut_ImpotSurLeResultatEnRelationAvecLesReevaluationsAuTitreDesRegimesAPrestationsDefiniesInclusDansLesAutresElementsDuResultatGlobal_d7cd4d37-b15a-41e8-898d-fd3ed8f20877" xlink:to="loc_ifrs-full_IncomeTaxRelatingToHedgesOfNetInvestmentsInForeignOperationsOfOtherComprehensiveIncome" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ImpotsDifferes_c2d86bcb-4f9b-4255-9881-92b1057b0159" xlink:href="eut-2025-06-30.xsd#eut_ImpotsDifferes"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:to="loc_eut_ImpotsDifferes_c2d86bcb-4f9b-4255-9881-92b1057b0159" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDeLaClassificationCouranteEtNonCourante_378f29e5-1d04-4b76-aaeb-9a81b627f157" xlink:href="eut-2025-06-30.xsd#eut_PresentationDeLaClassificationCouranteEtNonCourante"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" xlink:to="loc_eut_PresentationDeLaClassificationCouranteEtNonCourante_378f29e5-1d04-4b76-aaeb-9a81b627f157" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDeLaProceduresDeControleFiscal_c54e171b-b685-4b18-ba5a-0b6de0f81d6f" xlink:href="eut-2025-06-30.xsd#eut_PresentationDeLaProceduresDeControleFiscal"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" xlink:to="loc_eut_PresentationDeLaProceduresDeControleFiscal_c54e171b-b685-4b18-ba5a-0b6de0f81d6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDesActifsEtPassifsContractuelsDesClients_faf54a76-5b02-41ba-94fa-9927e1dfbc4d" xlink:href="eut-2025-06-30.xsd#eut_PresentationDesActifsEtPassifsContractuelsDesClients"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" xlink:to="loc_eut_PresentationDesActifsEtPassifsContractuelsDesClients_faf54a76-5b02-41ba-94fa-9927e1dfbc4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PresentationDesResponsabilitesContractuellesDuClient_31277b3f-710a-4186-8565-cddaeed4b604" xlink:href="eut-2025-06-30.xsd#eut_PresentationDesResponsabilitesContractuellesDuClient"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" xlink:to="loc_eut_PresentationDesResponsabilitesContractuellesDuClient_31277b3f-710a-4186-8565-cddaeed4b604" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PrimesDemission_df116d1b-b551-4f9a-b8e3-57079e5ab54e" xlink:href="eut-2025-06-30.xsd#eut_PrimesDemission"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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_eut_PrimesDemission_df116d1b-b551-4f9a-b8e3-57079e5ab54e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives_82c16b8c-d780-4246-bb66-f3b95e69ed11" xlink:href="eut-2025-06-30.xsd#eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_eut_PrimesEtSoultesPayeesSurInstrumentsFinanciersDerives_82c16b8c-d780-4246-bb66-f3b95e69ed11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_ProduitDeLiberationDeLaBandeC_be6ca1f7-af56-4ca3-8c05-fea1b911e3a6" xlink:href="eut-2025-06-30.xsd#eut_ProduitDeLiberationDeLaBandeC"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="loc_eut_ProduitDeLiberationDeLaBandeC_be6ca1f7-af56-4ca3-8c05-fea1b911e3a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eut_RecyclageDuResultatGlobalOneWeb_b45a7074-cbcd-4e27-a6c8-105b97501515" xlink:href="eut-2025-06-30.xsd#eut_RecyclageDuResultatGlobalOneWeb"/>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:definitionArc xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="loc_eut_RecyclageDuResultatGlobalOneWeb_b45a7074-cbcd-4e27-a6c8-105b97501515" xlink:type="arc" order="1"/>
  </link:definitionLink>
</link:linkbase>
