Find Antonyms

noncombustible Antonyms

Opposite of noncombustible

Because the opposite of noncombustible shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Not capable of catching fire and burning under normal conditions.

Usage Example

"The building code requires that the insulation around the furnace be made of combustible materials."

Strongest
combustible
flammable
inflammable
ignitable
burnable

• noun (Context 2)

A substance or material that does not catch fire or burn easily.

Usage Example

"At the recycling facility, workers separate paper and plastics from noncombustibles like glass and metal."

Strongest
combustible
flammable

Similar words to noncombustible

Words similar to noncombustible shift depending on context. Common synonyms include:

incombustible
nonflammable
fireproof
flameproof
unburnable
fire-resistant
See all synonyms of noncombustible

• Nearby Words

noncombat
noncombatant
noncombative
noncombustible
noncomedogenic
noncommercial
noncommissioned

Cite this Entry

Wordmom. (2026). Antonyms for Noncombustible. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/noncombustible
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