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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



1839

First Known Use of backfire

1839


2

backfire

verb back·fire

Simple Definition of backfire

  • 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

Source: Merriam-Webster's Learner's Dictionary

Full 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>



1886

First Known Use of backfire

1886


BACKFIRE Defined for Kids

1

backfire

play
verb back·fire \ˈbak-ˌfīr\

Definition of backfire for Students

backfiredbackfiring

  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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