INCOMBUSTIBLE /ˌɪŋkəmˈbʌstɪbəl/ ► audio Scrabble 21 Words With Friends 28 Definition adjective not capable of igniting and burning. — synonyms: noncombustible See all 1212 words you can make from INCOMBUSTIBLE → 13-letter words Words starting with I Words ending with E ← Unscramble different letters