| noun | the backward escape of gases and unburned gunpowder after a gun is fired |
| noun | a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine |
| noun | a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path |
| noun | a miscalculation that recoils on its maker |
| verb | come back to the originator of an action with an undesired effect “Your comments may backfire and cause you a lot of trouble” |
| verb | emit a loud noise as a result of undergoing a backfire “My old car backfires all the time” |
| verb | set a controlled fire to halt an advancing forest to prairie fire |
| backfire | verb | emit a loud noise as a result of undergoing a backfire |
| boomerang | verb | return to the initial position from where it came; like a boomerang |
| backfire | noun | a miscalculation that recoils on its maker |
| backlash | noun | an adverse reaction to some political or social occurrence |