Part of speech:
Resistant to catching fire; flame-retardant.
Not easily set on fire.
Not combustible; that cannot be burned; fireproof
Relating to, made of, or containing one of these six mineral forms.
The definition of flammable is something that is easy to set on fire.
The definition of combustible is something that is prone to catching fire or is being excitable or easily annoyed.
Emitting visible light as a result of being heated.
Easily ignited and capable of burning rapidly; flammable.
Made of or covered with material that doesn't allow water in.
Find another word for fireproof. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for fireproof, like: noninflammable, fire-resistant, asbestic, flameproof, noncombustible, nonflammable, fire-retardant, flame-retardant, incombustible, noncandescent and concrete and steel.