backfire Pronunciation: /ˈbækfaɪə(r)/Translate backfire | into German | into Italian | into Spanish French translation of backfirevi 1 [scheme] avoir l'effet inverse to backfire on sb = se retourner contre qn 2 [car] pétaraderbackfire in other Oxford dictionaries Definition of backfire in the British & World English dictionary Definition of backfire in the US English dictionary