to swearverb/ʒuˈɾaɾ/mediumju·rarPortuguesEnglishEspanolFrancaisDefinitionTo make a solemn promise or declaration, often invoking a deity or something sacred.He swore to tell the truth.She swore allegiance to her country.synaffirmassertEtymologyDo latim 'jurare'Related wordsjuramentojurídicojurisdição