"braggart" in the noun sense
1. bragger, braggart, boaster, blowhard, line-shooter, vaunter
a very boastful and talkative person
"braggart" in the adjective sense
1. boastful, braggart, bragging, braggy, big, cock-a-hoop, crowing, self-aggrandizing, self-aggrandising
Source: WordNet® (An amazing lexical database of English)
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