boaster boast • boastful · · · Info · Definitions · Synonyms · Characters · · boaster · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a very boastful and talkative person. Synonyms: bragger, braggart, blowhard, line-shooter, vaunter. · · Noun Definition 1 Synonyms · · · bragger · · Synonym 1 braggart · · Synonym 2 blowhard · · Synonym 3 line-shooter · · Synonym 4 vaunter · · Synonym 5 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074