- IPA: /bækˈfaɪə(ɹ)/
- (Of a gun or cannon) to fire in the opposite direction, for example due to an obstruction in the barrel.
- To fail in a manner that brings down further misfortune.
- His attempt to make money by importing luxury cars horribly backfired when fuel prices tripled.
backfire (plural backfires)
- (firefighting) Alternative spelling of back fire.