proposition1 Pronunciation: /ˈprɑːpəˈzɪʃən; ˌprɒpəˈzɪʃən/Translate proposition | into French | into German | into Italian Spanish translation of propositionn 1 (suggestion) propuesta (f); (offer) oferta (f) 2 (prospect) it's not a viable proposition = no es viableproposition in other Oxford dictionaries Definition of proposition in the British & World English dictionary Definition of proposition in the US English dictionary