incombustible

\ɛ̃.kɔ̃.bys.tibl\

/\ɛ̃.kɔ̃.bys.tibl\/ adj

The verdict

“incombustible” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency French
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qui ne peut être brûlé, qui ne se consume pas au feu.

Corpus desk

Index FR-incombustible · incombustible · French

incombustible · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for incombustible
PropertyValue
Headwordincombustible
LanguageFrench
Part of speechAdjective
IPA\ɛ̃.kɔ̃.bys.tibl\
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « incombustible » en français

incombustiblesiège au-delà des 100.000 formes les plus fréquentes du français, dans la traîne du lexique spécialisé ou peu usité.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

incombustible is uncommon French outside the top frequency list, classed as anadjective, transcribed \ɛ̃.kɔ̃.bys.tibl\. Rarity is why readers land here mid-draft. Gloss: "Qui ne peut être brûlé, qui ne se consume pas au feu.".

The misspelling generator found no plausible variants for incombustible, which points to an orthography that plays by predictable French rules. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry's etymology isn't recorded, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is incombustible, spelled I-N-C-O-M-B-U-S-T-I-B-L-E.

Definition

  1. 1
    Qui ne peut être brûlé, qui ne se consume pas au feu.

Recorded use

Wiktionary examples

These source excerpts show how incombustible appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Les assistants ne demandaient pas mieux que de la laisser faire, croyant qu’elle était incombustible, et que le diable sauverait toujours une si méchante sorcière pour faire enrager les bons chrétiens.
  2. L'amiante est incombustible et infusible; ce qui fait qu'on en fait des étoffes permettant d'être utilisées contre le feu.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "incombustible"?
"incombustible" is spelled I-N-C-O-M-B-U-S-T-I-B-L-E. The IPA pronunciation is \ɛ̃.kɔ̃.bys.tibl\.
What does "incombustible" mean?
As an adjective, "incombustible" means: Qui ne peut être brûlé, qui ne se consume pas au feu.
How do you pronounce "incombustible"?
The IPA (International Phonetic Alphabet) transcription for "incombustible" is \ɛ̃.kɔ̃.bys.tibl\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "incombustible" come from?
"incombustible" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list