Find Antonyms

flammable Antonyms

Opposite of flammable

Pinning down the opposite of flammable requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
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• adjective (Context 1)

Easily set on fire; capable of burning quickly.

Usage Example

"Please store all nonflammable liquids in a cool, well-ventilated cabinet away from heat sources."

Strongest
nonflammable
incombustible
noncombustible
fireproof
flameproof
Strong
fire-resistant
flame-retardant

Similar words to flammable

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

inflammable
combustible
ignitable
burnable
incendiary
See all synonyms of flammable

• Nearby Words

flamer
flaming
flammability
flammable
flanged
flank
flannel

Cite this Entry

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