One entry found for incombustible.

Entry Word: incombustible
Function: adjective
Text: incapable of being burned <we keep our important papers in an incombustible safe in the basement>
Synonyms fireproof, noncombustible, nonflammable, noninflammable, uninflammable
Related Words nonexplosive
Near Antonyms ablaze, afire, blazing, burning, fiery; consumable; explosive, incendiary, volcanic
Antonyms burnable, combustible, flammable, ignitable, inflammable