boastfulness boastfully • boasting · · · Info · Definitions · Synonyms · Characters · · boastfulness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) outspoken conceit. Synonyms: vainglory. · · Noun Definition 1 Synonyms · · · vainglory · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075