Source : Webster's Revised Unabridged Dictionary (1913)

Braggart \Brag"gart\, n. [OF. bragard flaunting, vain, bragging.
   See {Brag}, v. i.]
   A boaster.

         O, I could play the woman with mine eyes, And braggart
         with my tongue.                          --Shak.

Braggart \Brag"gart\, a.
   Boastful. -- {Brag"gart*ly}, adv.

Source : WordNet®

braggart
     adj : exhibiting self-importance; "big talk" [syn: {boastful}, {braggart(a)},
            {bragging(a)}, {braggy}, {big}, {cock-a-hoop}, {crowing},
            {self-aggrandizing}, {self-aggrandising}]
     n : a very boastful and talkative person [syn: {bragger}, {boaster},
          {blowhard}, {line-shooter}, {vaunter}]