backfire

En français : se retourner contre, avoir l'effet inverse, retour de flamme, contrecoup subi

1. Of a gun, cannon, Bunsen burner, etc., to fire in the opposite direction, for example due to an obstruction in the barrel. (intransitive)
2. Of a reciprocating engine, to experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound. (intransitive)
3. To fail in a manner that brings down further misfortune. (transitive) · His attempt to make money by importing luxury cars backfired horribly when fuel prices tripled.· Her plan backfired on her.
4. To set a back fire (small, controlled fire to limit spread of a larger fire).

He/she/it backfires · Prétérit backfired · Participe passé backfired · Forme en -ing backfiring