backfire
Backfire (verb) means of an engine or gun, to ignite or explode unexpectedly in the wrong direction, often with a loud pop. Example: “The old truck backfired loudly at every red light.”
How to use backfire
Learner’s notesIn plain EnglishTo go wrong in a way that causes more trouble than before — like a plan that blows up in your face.
Word forms
- Third person singular
- backfires
- Past tense
- backfired
Fill the gap
Can you complete this real example?
The old truck _____ loudly at every red light.
Etymology
From back + fire.