inability imu • inabordable · · · Info · Definitions · Synonyms · Antonyms · Characters · · inability · · Text Latin · · Script 9 · · Length Definitions · · · (noun) lack of ability (especially mental ability) to do something. · · Noun Definition 1 (noun) lacking the power to perform. Synonyms: unfitness. · · Noun Definition 2 Synonyms · · · unfitness · · Synonym 1 Antonyms · · · ability · · Antonym 0 power · · Antonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E t latin small letter t U+0074 y latin small letter y U+0079