unperceptiveness unperceptive • unperch · · · Info · Definitions · Antonyms · Characters · · unperceptiveness · · Text Latin · · Script 16 · · Length 6 · · Syllables Definitions · · · (noun) the lack of insight and sympathetic understanding. · · Noun Definition 1 Antonyms · · · perceptiveness · · Antonym 0 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076