noncombustible Get Printable Handwriting (non-com-bus-ti-ble) 5 syllables Learn It! Spelling Test Definition adjective. 1. not flammable; 2 a noncombustible substance. Example Sentence The new product's can is noncombustible. Synonyms fireproof; fire-retardant; fire-resistant Antonyms burnable; ignitable; ignitible Share with your friends:
