verb (backfir, ing)
- (firefighting) (alternative spelling of, back fire)
- (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.
Etymology: From back + fire.
- His attempt to make money by importing luxury cars horribly backfired when fuel prices tripled.
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Full Definition of backfire