Noncombustible Noncombustible antonyms combustible flammable inflammable burnable ignitable waterproof incendiary ablaze afire aflame blazing Full list of antonyms (27) Noncombustible synonyms incombustible noninflammable nonflammable fireproof fire-resistant flameproof concrete asbestos noncandescent uninflammable fire-retardant Full list of synonyms (19)
