backfire

/ˈbækˌfaɪər/
verb
  1. (of a plan, action, or situation) To have the opposite result from what was intended, often causing harm or failure.
    • His attempt to embarrass her backfired when everyone laughed at him instead.
    • The company's new policy backfired and led to lower sales.
    • Trying to cheat on the test backfired when the teacher caught him.
  2. (of an engine or vehicle) To make a loud explosive noise because fuel burns at the wrong time.
    • The old truck's engine backfired loudly as it started.
    • We heard a car backfire in the distance and thought it was a gunshot.
    • The motorcycle backfired twice before the mechanic fixed it.
Antonyms
noun
  1. A loud explosive noise from an engine caused by improper fuel combustion.
    • The backfire startled everyone on the street.
    • The mechanic diagnosed the problem after hearing a backfire.
    • A sudden backfire from the lawnmower scared the dog.
  2. A fire set intentionally to stop an advancing wildfire by burning the area in front of it.
    • They used a helicopter to ignite the backfire ahead of the main fire.
    • Firefighters started a backfire to control the forest blaze.
    • The backfire successfully cleared a safe zone for the crew.
What does "backfire" mean? | whatsthatwordmean | whatsthatwordmean