'Boaster' definitions:

Definition of 'boaster'

From: WordNet
noun
A very boastful and talkative person [syn: bragger, braggart, boaster, blowhard, line-shooter, vaunter]

Definition of 'Boaster'

From: GCIDE
  • Boaster \Boast"er\, n. One who boasts; a braggart. [1913 Webster]

Definition of 'Boaster'

From: GCIDE
  • Boaster \Boast"er\, n. A stone mason's broad-faced chisel. [1913 Webster]