combustibleness combustible • combustibly · · · Info · Definitions · Synonyms · Characters · · combustibleness · · Text Latin · · Script 15 · · Length Definitions · · · (noun) the quality of being capable of igniting and burning. Synonyms: combustibility, burnability. · · Noun Definition 1 Synonyms · · · combustibility · · Synonym 1 burnability · · Synonym 2 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075