to actverb/ɐˈtwaɾ/higha·tu·arPortuguesEnglishEspanolFrancaisDefinitionTo perform a role in a play, film, etc.; to take action.She will act in the school play.The government must act to solve this crisis.synperforminterveneantrefrainabstainCommon collocationsact in a movieact quicklyact on behalf ofacting careerEtymologyDo latim 'actuare', derivado de 'actus' (ação).Related wordsatoratuaçãoatuanteatuaçãoatuável