Synonyms of pompous

1 Syllable
smug, grand, fab, vain
2 Syllables
snobbish, turgid, snootier, grander, fabber, stuck-up, flasher, showy, snobby, showier, inkhorn, windy, chichi, selfish, genteel, priggish, high-hat, high-flown, snotty, sniffy, snooty, donnish, august, schoolish, puffy, sumptuous, grandest, stilted, smuggest, boastful, tumid, fustian, flaunting, bloated
3 Syllables
important, statelier, presumptuous, flowery, glittery, self-seeking, self-serving, big-headed, humorless, peacocky, majestic, prideful, magnific, grandiose, orotund, cold-shoulder, biggety, portentous, vainglorious, theatrical, affected, crack-the-whip, pretentious, sonorous, imperious, swellheaded, bombastic, surcharged, dropsical, uppity, egoistic, stately, euphuistic, stylistic, flatulent, inflated, exalted, arrogant, conceited, overblown, pedantic
4 Syllables
self-concerned, self-centered, self-involved, egoistical, self-admiring, narcissistic, intumescent, hifalutin, self-applauding, egotistic, grandiloquent, magniloquent, dismissive, rhetorical, pontifical, self-important, swollen-headed, hyperbolic, dictative, ostentatious, overbearing, supercilious, dictatorial, magisterial, overweening, rhapsodical, overnice, highfaluting, self-respecting, egocentric, magnificent, unrelaxed
5 Syllables
megalomaniac, overfamiliar, high-falutin', self-aggrandizing, egotistical, overambitious, highfalutin', oratorical
6 Syllables
overestimated, exhibitionistic, individualistic