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backfire

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

8 characters

Language

English

word origin

Source

Wiktionary

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Detailed reference entry for the English word "backfire", 8-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "backfire" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "backfire" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

backfire is aEnglishnoun. It means: 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. Pronounced /bækˈfaɪə(ɹ)/. Often confused with backside and backline.

Key facts for backfire
PropertyValue
Headwordbackfire
LanguageEnglish
Part of speechNoun
IPA/bækˈfaɪə(ɹ)/
Letters8
Frequency rank#24,988
Misspellings tracked12
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of backfire in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for backfire is 8 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /bækˈfaɪə(ɹ)/. Corpus data places it at rank #24,988 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our Hunspell-derived misspelling index lists 12 documented wrong-spelling variants for backfire, with forms such as "abckfire", "bacckfire", and "bacfkire". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution.It also participates in 2 confusable-pair relationships, "backside", "backline", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From back + fire. Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is backfire, spelled B-A-C-K-F-I-R-E, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 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.
  2. 2
    An explosion in the exhaust passages of an internal combustion engine.
  3. 3
    An explosion in other equipment.
  4. 4
    Alternative form of back fire.

Etymology

From back + fire.

Synonyms

Common misspellings

Also misspelled as: abckfire,bacckfire,bacfkire,backffire,backfier,backfirre,backfrie,backifre,backkfire,bakcfire,bbackfire,bcakfire

Misspelling Pattern Breakdown

Relative frequency of common misspelling types for backfire

Misspelling Variants of "backfire"

abckfire8bacckfire9bacfkire8backffire9backfier8backfirre9backfrie8backifre8
Misspelling Variants of "backfire"

Frequency rank: #24,988 in English

Frequently Asked Questions

How do you spell "backfire"?
"backfire" is spelled B-A-C-K-F-I-R-E. The IPA pronunciation is /bækˈfaɪə(ɹ)/.
What does "backfire" mean?
As a noun, "backfire" means: 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.
What words are commonly confused with "backfire"?
"backfire" is commonly confused with "backside", "backline". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "backfire"?
The IPA (International Phonetic Alphabet) transcription for "backfire" is /bækˈfaɪə(ɹ)/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "backfire"?
From back + fire. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Nearby English words

Other entries that begin with the letter B in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.