stillbornPronunciation: /ˈstɪlbɔːn/Translate stillborn | into German | into Italian | into Spanish Definition of stillborn adjective (of an infant) born dead: a stillborn baby one of the twins was stillborn (of a proposal or plan) having failed to develop or be realized:the proposed wealth tax was stillbornstillborn in other Oxford dictionaries Definition of stillborn in the US English dictionary