convincingness convincingly • convival · · · Info · Definitions · Characters · · convincingness · · Text Latin · · Script 14 · · Length 4 · · Syllables Definitions · · · (noun) the power of argument or evidence to cause belief. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 v latin small letter v U+0076