suckernounmasculineinformal/uˈta.ɾiu/mediumo·ta·rioPortuguesEnglishEspanolFrancaisDefinitionA person who is easily deceived or tricked.He's such a sucker for a good deal.Don't be a sucker, read the fine print.synfooldupeEtymologyDo espanhol 'otario'Related wordsotáriaotariozito