backfire

1 of 2

verb

back·​fire ˈbak-ˌfī(-ə)r 

backfired; backfiring; backfires

intransitive verb

1

: to have the reverse of the desired or expected effect

their plans backfired

2

: to make or undergo a backfire

backfire

2 of 2

noun

1

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

2

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

Synonyms

Verb

• boomerang

Examples of backfire in a Sentence

Verb

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

Recent Examples on the Web

Verb

This kind of pressure can backfire, especially if your expectations set your child up to feel like a failure.6 Take a step back and reevaluate whether or not your expectations are realistic. —Katherine Lewis, Parents, 4 Nov. 2024

Winners and losers: The Colts hoped benching Anthony Richardson and turning to Joe Flacco would provide immediate returns, but the move has already backfired. —Jim Reineking, USA TODAY, 4 Nov. 2024

Noun

This means a company that adopts a fully in-office policy team could see the plan backfire, according to Nick Bloom, a professor of economics at Stanford University who studies workplace trends. —Jolie Myers, Vox, 7 Dec. 2018

Well, the ritual backfires, leaving Jennifer a half-girl, half-demon who has to feast on unsuspecting boys to survive. —Samantha Bergeson, IndieWire, 18 Sep. 2024

Word History

First Known Use

Verb

1852, in the meaning defined at sense 2

Noun

1801, in the meaning defined at sense 2

Kids Definition

backfire

1 of 2 noun

back·​fire -ˌfī(ə)r 

1

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

2

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

backfire

2 of 2 verb

1

: to make a backfire

2

: to have a result opposite to what was planned

their plans backfired