|1.||[ noun ] a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine|
|Related terms:||explosion backblast|
|2.||[ verb ] set a controlled fire to halt an advancing forest to prairie fire|
|3.||[ verb ] emit a loud noise as a result of undergoing a backfire|
"My old car backfires all the time"
|4.||[ verb ] have an unexpected and undesired effect|
"Your comments may backfire and cause you a lot of trouble"
|Related terms:||react backlash|
|5.||[ noun ] a miscalculation that recoils on its maker|
|Related terms:||miscalculation boomerang|