backfire


1back·fire

noun \-ˌfī(-ə)r\

Definition of BACKFIRE

1
:  a fire started to check an advancing fire by clearing an area
2
:  a loud noise caused by the improperly timed explosion of fuel mixture in the cylinder of an internal combustion engine

First Known Use of BACKFIRE

1839

2backfire

verb

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

Full Definition of BACKFIRE

intransitive verb
1
:  to make or undergo a backfire
2
:  to have the reverse of the desired or expected effect <their plans backfired>

Examples of BACKFIRE

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

First Known Use of BACKFIRE

1886

Related to BACKFIRE

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