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ENGLISH · A WORD WITH POSSIBILITIES

combustible.

Capable of burning.

11 characters4 syllables approx.English language

Meaning & usage

adj/kəmˈbʌstɪbəl/[kəɱˈbʌstʰɪbəl] ~ [kəɱˈbʌstʰɪbl̩]/kəmˈbʌstəbəl/[kəɱˈbʌstʰəbəl] ~ [kəɱˈbʌstʰəbl̩]
  1. Capable of burning.

    Dumping fertilizer on top of whatever mysterious goop was in the storage tank created a combustible mix which caught fire.
  2. Easily kindled or excited; quick; fiery; irascible.

    dated · figuratively
Where this word comes from

From Middle French combustible [from combust (past participle of comburir) + -ible] and Latin combustibilis. By surface analysis, combust + -ible.

noun/kəmˈbʌstɪbəl/[kəɱˈbʌstʰɪbəl] ~ [kəɱˈbʌstʰɪbl̩]/kəmˈbʌstəbəl/[kəɱˈbʌstʰəbəl] ~ [kəɱˈbʌstʰəbl̩]
  1. A material that is capable of burning.

  2. A cigarette or a similar product intended for smoking, as opposed to an electronic cigarette.

Where this word comes from

From Middle French combustible [from combust (past participle of comburir) + -ible] and Latin combustibilis. By surface analysis, combust + -ible.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.