indispensableness indispensable • indispensably · · · Info · Definitions · Synonyms · Antonyms · Characters · · indispensableness · · Text Latin · · Script 17 · · Length 6 · · Syllables Definitions · · · (noun) the quality possessed by something that you cannot possibly do without. Synonyms: indispensability, vitalness. · · Noun Definition 1 Synonyms · · · indispensability · · Synonym 1 vitalness · · Synonym 2 Antonyms · · · dispensability · · Antonym 0 dispensableness · · Antonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073