'Boastfulness' definitions:

Definition of 'boastfulness'

(from WordNet)
noun
Outspoken conceit [syn: boastfulness, vainglory]

Definition of 'Boastfulness'

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]