1

backfire

play
noun back·fire \-ˌfī(-ə)r\

Definition of backfire

  1. 1 :  a fire started to check an advancing fire by clearing an area

  2. 2 :  a loud noise caused by the improperly timed explosion of fuel mixture in the cylinder of an internal combustion engine

1801

First Known Use of backfire

1801


2

backfire

verb back·fire

Definition of backfire

  1. intransitive verb
  2. 1 :  to make or undergo a backfire

  3. 2 :  to have the reverse of the desired or expected effect their plans backfired

Examples of backfire in a Sentence

  1. my plan to throw her a surprise party backfired when she ended up sobbing that everyone had forgotten her birthday

1852

First Known Use of backfire

1852


BACKFIRE Defined for English Language Learners

backfire

verb

Definition of backfire for English Language Learners

  • of an engine or vehicle : to make a loud sound when fuel is not burned properly

  • : to have the opposite result of what was desired or expected


BACKFIRE Defined for Kids

1

backfire

play
verb back·fire \ˈbak-ˌfīr\

Definition of backfire for Students

backfired

;

backfiring

  1. 1 :  to have a result opposite to what was planned The joke backfired.

  2. 2 :  to make a loud engine noise caused by fuel igniting at the wrong time


2

backfire

play
noun back·fire

Definition of backfire for Students

  1. 1 :  a loud engine noise caused by fuel igniting at the wrong time

  2. 2 :  a fire that is set to stop the spread of a forest fire or a grass fire by burning off a strip of land ahead of it



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