Synonyms for Boastful:

adj.

all (adjective)
braggart, cock-a-hoop, braggy, self-aggrandizing, self-aggrandising, bragging, big, crowing.
boastful (adjective)
inflated, vainglorious, bragging, conceited, windy, fat-headed, vain, arrogant, haughty, self-important, bombastic, self-praising, self-applauding, pretentious.
bragging (adjective)
arrogant, vainglorious, crowing, conceited, self-applauding, egotistic, bombastic, pretentious, pompous, big, self-aggrandizing.
egotistical (adjective)
vain.
fustian (adjective)
Flaunting.
ostentatious (adjective)
formal, showy, exhibitionistic, shameless, flamboyant, grandiose, flashy, histrionic, fussy, ostentatious, jaunty, vain, ornate, gaudy, pompous, opulent, dashing, Flaunting, splashy, grandiloquent, forced, snazzy, affected, stilted, blatant, flagrant, garish, rakish, sensational, flourishing, dramatic.
vain (adjective)
self-centered, proud, narcissistic, vain, egoistic, smug, self-applauding, superficial, conceited, foppish, self-flattering, haughty, self-satisfied, Preening, self-admiring, egocentric.

n.

grand, flash, grandly, trophy, BLING. praise, attitude, rodomontade. boastful (noun)
braggy, crowing, bragging, self-aggrandising, proud, braggart, big, self-aggrandizing, cock-a-hoop.
bragging (noun)
egotistic.

Other synonyms:

grandly. egotistic, trophy. BLING. grand. flash. Other relevant words:
crowing, cock-a-hoop, braggy, trophy, big, flash, BLING, grand, self-aggrandising, braggart, rodomontade, self-aggrandizing, egotistic, grandly, praise, attitude.

Usage examples for boastful

  1. Both are somewhat boastful and the memoirs of Forbin, which are the longer and the more amusing of the two, are suspected of some inaccuracy. – A Short History of French Literature by George Saintsbury
  2. Then the warriors gathered in the center of the camp, and began to dance and sing their boastful war songs. – Three Sioux Scouts by Elmer Russell Gregor