Synonyms for Bombastic:

adj.

all (adjective)
large, orotund, tumid, declamatory, turgid.
boastful (adjective)
haughty, fat-headed, arrogant, conceited, vain, pretentious, windy, vainglorious, inflated, bragging, self-praising, self-important, self-applauding, boastful.
exaggerated (adjective)
inflated.
fustian (adjective)
highfalutin, self-important.
ostentatious (adjective)
orotund.
pompous, grandiloquent (adjective)
highfalutin, declamatory, overblown, magniloquent, high-flown, aureate, rhetorical, Euphuistic, verbose, wordy, windy, inflated, swollen, flowery, fustian, tumid, turgid, grandiose, ostentatious, sonorous, orotund.
pretentious (adjective)
flatulent, pretentious.
talkative (adjective)
wordy.
verbose (adjective)
verbose, talkative, voluble, loquacious, wordy, profuse, effusive, garrulous, chatty, windy, grandiloquent.
wordy (adjective)
rambling, lengthy, wordy, grandiloquent, verbose, endless, chatty, wandering, featherbedding, loquacious, talkative, ponderous, superfluous, excessive, long-winded, windy.

n.

grand, grandly, trophy, flash, BLING, dramatic. bombastic (noun)
orotund, rhetorical, tumid, large, turgid, declamatory.
pompous (noun)
Euphuistic, grandiose, magniloquent, overblown, overwrought, fustian, ostentatious, oratorical, flatulent, high-flown.

Other synonyms:

aureate, magniloquent, grandly, ostentatious. overblown, trophy. sonorous, BLING, high-flown. dramatic, grand. flash. rhetorical
oratorical.

Usage examples for bombastic

  1. It is that the style of all these stories of martyrdom, which took place at such different periods, is everywhere alike, everywhere equally puerile and bombastic – A Philosophical Dictionary, Volume 7 (of 10) From "The Works of Voltaire - A Contemporary Version" by François-Marie Arouet (AKA Voltaire) Commentator: John Morley Tobias Smollett H.G. Leigh
  2. The ordinary everyday novelist would at once have become bombastic and conceited at being the cause of such a universal upheaval- not so Spout. – Terribly Intimate Portraits by Noël Coward
  3. And yet the bombastic order reads: The force at my disposal authorises me to require of you the immediate surrender of Fort Detroit. – The Niagara River by Archer Butler Hulbert