antidotenounmasculine/ɐ̃tiˈðɔtu/mediumtechnicalPortuguesEnglishEspanolFrancaisDefinitionA medicine taken or given to counteract a particular poison.The doctor gave him the antidote for the snake bite.There is no known antidote for this poison.synremedycureEtymologyDo grego 'antidotos'