mendacity mendaciousness • Mendaite · · · Info · Definitions · Antonyms · Characters · · mendacity · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the tendency to be untruthful. · · Noun Definition 1 Antonyms · · · veracity · · Antonym 0 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074 y latin small letter y U+0079