Find Synonyms

fireproof Synonyms

Another word for fireproof

Choosing another word for fireproof depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match 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 incombustible vault in the basement of the library."

Strongest
incombustible
nonflammable
flameproof
fire-resistant
Strong
flame-retardant
heatproof

• verb (Context 2)

To make a building, material, or object resistant to fire or extreme heat, typically by treating or coating it with nonflammable substances.

Usage Example

"Contractors were hired to flameproof the structural steel beams before installing the ceiling panels."

Strongest
flameproof

Opposites of fireproof

The opposite of fireproof shifts depending on context. Common opposites include:

inflammable
flammable
combustible
ignitable
See all opposites of fireproof

• Nearby Words

fireplace
fireplug
firepower
fireproof
fireproofing
firesafe
firescreen

Cite this Entry

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