Find Antonyms

fireproof Antonyms

Opposite of fireproof

Pinning down the opposite of fireproof 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)

Able to withstand fire or great heat; made of or treated with material that does not catch fire or burn easily.

Usage Example

"The historical archives are stored in a flammable vault in the basement of the library."

Strongest
flammable
inflammable
combustible
Strong
ignitable

Similar words to fireproof

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

nonflammable
incombustible
flameproof
fire-resistant
flame-retardant
heatproof
See all synonyms of fireproof

• Nearby Words

firelit
fireman
firepower
fireproof
firesafe
fireside
firestarter

Cite this Entry

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