1. backfire - Noun
2. backfire - Verb
a miscalculation that recoils on its maker
a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path
a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
the backward escape of gases and unburned gunpowder after a gun is fired
set a controlled fire to halt an advancing forest to prairie fire
emit a loud noise as a result of undergoing a backfire
come back to the originator of an action with an undesired effect
Source: WordNetMy old car backfires all the time Source: Internet
Your comments may backfire and cause you a lot of trouble Source: Internet
the political movie backlashed on the Democrats Source: Internet
A firefighter lights backfire to stop the Quail Fire from spreading near Winters, Calif., on Saturday, June 6, 2020. Source: Internet
Another knee-jerk Trump decision that could backfire quickly if another WHO member develops a vaccine before we do, and refuses to share the technology with the US. Source: Internet
A poorly designed or executed hand-painted sign may backfire, sending unintentional messages of poor quality, sloppy work or incompetence. Source: Internet