- (of a rifle or gun or of a bullet or shell) to fail to fire or explode.
- (of an internal-combustion engine) to fail to ignite properly or when expected.
- to fail to achieve the desired result, effect, etc.: His criticisms completely misfired.
- an act or instance of misfiring.
- (of a firearm or its projectile) to fail to fire, explode, or ignite as or when expected
- (of a motor engine or vehicle, etc) to fail to fire at the appropriate time, often causing a backfire
- to fail to operate or occur as intended
- the act or an instance of misfiring
