Meaning ofbackfirein English

Verb

1. to fail with worsening consequences; bringing misfortune
   The politician's plan backfired and lost her the election.
2. to experience premature ignition (with a popping sound)
   The old car's engine backfired with a loud popping sound.
3. to set a controlled fire (to limit spread)
   The firefighters decided to backfire to contain the spreading wildfire.
4. to fire in the opposite direction (due to obstruction)
   The soldier's gun backfired due to the obstruction in the barrel.