Word.ws English Dictionary

noncombustible

noncombustible adjective: that will not readily ignite and burn.

Adjective

noncombustible (not comparable)

  1. That will not readily ignite and burn.
    • Enclose open eaves with noncombustible soffit material.2024 November 10, Alaa Elassar, “As California wildfires become more frequent, people will need to fireproof their homes. Here’s what it takes to do it”, in CNN, archived from the original on 14 Dec...

Noun

noncombustible (plural noncombustibles)

  1. (plural) Any substance that is not combustible.

Synonyms of noncombustible

Antonyms

Forms of noncombustible

Adjective
alternative formnon-combustible
Noun
pluralnoncombustibles

Origin of noncombustible

From non- + combustible.

Questions about noncombustible

What does noncombustible mean?
Noncombustible means that will not readily ignite and burn.
What part of speech is noncombustible?
Noncombustible can be an adjective or a noun.

Words near noncombustible in the dictionary

  1. noncombinative
  2. noncombinatorial
  3. noncombined
  4. noncombining
  5. noncombustibility
  6. noncombustible
  7. noncombustibles
  8. noncombustion
  9. noncomedic
  10. noncomedies
  11. noncomedogenic

Source and license

Adapted from Wiktionary: noncombustible (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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