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Backfire (Noun)

A loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine.

Nouns denoting natural events.

The old truck's engine coughed and sputtered before letting out a loud backfire that startled everyone in the parking lot.
The backfire from the motorcycle's engine was so loud that it shattered the nearby storefront window.
When I tried to start the car, all I got was a weak spark and a single loud backfire from the exhaust pipe.
The car's faulty spark plug caused a backfire that damaged the exhaust system and had to be repaired at a shop.
As the engine revved up, a small backfire popped out of the exhaust, making the driver jump in surprise.

The backward escape of gases and unburned gunpowder after a gun is fired.

Nouns denoting natural events.

The rifle's malfunction caused a backfire that severely injured the shooter's hand.
The backfire from the cannon singed the eyebrows of the soldier loading it.
The old pistol's rusty barrel was prone to backfire, making it a danger to the user.
When the hunter's rifle was clogged with debris, a backfire threw him to the ground.
The faulty shell resulted in a backfire that damaged the artillery piece beyond repair.

A fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path.

Nouns denoting natural events.

The firefighters set a backfire along the ridge to starve the main fire of fuel and slow its advance.
A backfire was lit in a controlled area to give the fire crews a better chance of containing the blaze.
The strategy of using a backfire to block the wildfire's path was deemed a success when the flames were finally brought under control.
Due to strong winds, the backfire threatened to spread out of control and the firefighters were forced to recontain it.
After studying the topography, the fire team decided to set a backfire at the pass to create a firebreak and halt the fire's advance.

A miscalculation that recoils on its maker.

Nouns denoting acts or actions.

The politician's attempt to bribe a judge proved to be a major backfire, costing her the election and her reputation.
The company's decision to release a rival product too soon turned out to be a backfire, as it drew attention away from their own struggling product.
The investor's aggressive bet on the market backfired when the stocks plummeted, leaving him with significant losses.
The prankster's attempt to frighten his sister backfired when she ended up scaring him instead.
The government's plan to distract from their own scandals by pointing fingers at the opposition backfired, as the public saw through the tactic and became even more outraged.