'Boastful' definitions:

Definition of 'boastful'

From: WordNet
adjective
Exhibiting self-importance; "big talk" [syn: boastful, braggart(a), bragging(a), braggy, big, cock-a- hoop, crowing, self-aggrandizing, self- aggrandising]

Definition of 'Boastful'

From: GCIDE
  • Boastful \Boast"ful\, a. Given to, or full of, boasting; inclined to boast; vaunting; vainglorious; self-praising. -- {Boast"ful*ly}, adv. -- {Boast"ful*ness}, n. [1913 Webster]

Synonyms of 'boastful'

From: Moby Thesaurus