confirm Pronunciation: /kənˈfɜːrm; kənˈfɜːm/Translate confirm | into French | into German | into Italian Spanish translation of confirmvt 1 a (substantiate) [report/reservation] confirmar b confirmed past p [bachelor/liar] empedernido 2 [Relig] confirmarconfirm in other Oxford dictionaries Definition of confirm in the British & World English dictionary Definition of confirm in the US English dictionary