Standard Lemma guide

backfire

noun · verb · 15 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.
  • /ˈbækfaɪə(ɹ)/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: Recorded audio is listed in the source snapshot.
  • /bækˈfaɪə(ɹ)/
  • CMU ARPABET: B AE1 K F AY2 R Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A premature explosion in the cylinder of a gas or oil engine during the exhaust or the compression stroke, tending to drive the piston in the wrong direction.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An explosion in the exhaust passages of an internal combustion engine.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An explosion in other equipment.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Alternative form of back fire.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

Topics: firefighting, government

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

Of a gun, cannon, Bunsen burner, etc., to fire in the opposite direction, for example due to an obstruction in the barrel.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

Of a reciprocating engine, to experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To fail in a manner that brings down further misfortune.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, transitive

Examples

  • His attempt to make money by importing luxury cars backfired horribly when fuel prices tripled.
  • Her plan backfired on her.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To set a back fire (small, controlled fire to limit spread of a larger fire).

Definition source: English Wiktionary via Wiktextract

Topics: firefighting, government

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

a miscalculation that recoils on its maker

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: boomerang

Antonyms: none provided

Broader terms: miscalculation, misreckoning, misestimation

10

noun

Meaning 10

a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fire

11

noun

Meaning 11

a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: explosion, detonation, blowup

12

noun

Meaning 12

the backward escape of gases and unburned gunpowder after a gun is fired

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: blowback

Antonyms: none provided

Broader terms: explosion, detonation, blowup

Narrower terms: backblast, back-blast

13

verb

Meaning 13

set a controlled fire to halt an advancing forest to prairie fire

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: burn, fire, burn down

14

verb

Meaning 14

emit a loud noise as a result of undergoing a backfire

Definition source: Princeton WordNet 3.0

Examples

  • My old car backfires all the time

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: make noise, resound, noise

15

verb

Meaning 15

come back to the originator of an action with an undesired effect

Definition source: Princeton WordNet 3.0

Examples

  • Your comments may backfire and cause you a lot of trouble

Meaning relationships

Synonyms: backlash, recoil

Antonyms: none provided

Broader terms: happen, hap, go on, pass off, occur, pass, fall out, come about, take place

History

Etymology

From back + fire.

Across languages

Translations

30 source translations are retained for this English entry.

  • Danish: give bagslag — fail
  • Dutch: falen — fail
  • Dutch: averechts werken — fail
  • Finnish: kostautua — fail
  • Finnish: epäonnistua — fail
  • Finnish: mennä pieleen — fail
  • French: se retourner contre — fail
  • French: avoir l'effet inverse — fail
  • French: retour de flamme — fail
  • French: contrecoup subi — fail
  • German: fehlschlagen — fail
  • German: nach hinten losgehen — fail
  • Italian: avere effetto contrario — fail
  • Polish: odnosić odwrotny skutek — fail
  • Polish: odnieść odwrotny skutek — fail
  • Portuguese: sair pela culatra — fail
  • Portuguese: sair o tiro pela culatra — fail
  • Russian: приводи́ть к обра́тным результа́там (privodítʹ k obrátnym rezulʹtátam) — fail
  • Russian: привести́ к обра́тным результа́там (privestí k obrátnym rezulʹtátam) — fail
  • Serbo-Croatian: vratiti se — fail
  • Serbo-Croatian: obiti se o glavu — fail
  • Spanish: salir el tiro por la culata — fail
  • Spanish: tener el efecto contrario — fail
  • Spanish: tener efecto retroactivo — fail
  • Spanish: tener contraefecto — fail
  • Spanish: jugar una mala pasada — fail
  • Swedish: slå slint — fail
  • Polish: strzelać w gaźniku — to experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound
  • Polish: strzelić w gaźniku — to experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound
  • Spanish: petardear — to experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound