Synonyms of ostentatious

1 Syllable
crass, gay, camp, grand, kitsch, loud, vain, beaut, swank
2 Syllables
flashy, splashier, flamboyant, snobbish, flashier, fussy, ritzy, glitzy, jaunty, grander, classy, stuck-up, flasher, tinsel, showy, tony, popper, showier, fancy, inkhorn, pompous, sporty, chichi, dashing, flaunted, splurgy, blatant, specious, genteel, fancying, garish, flagrant, kitschy, drop-dead, gorgeous, swanky, stylish, high-hat, gaudier, froufrou, fanciest, donnish, splashy, high-wrought, schoolish, uptown, ritzier, lulu, grandest, boastful, swanker, swankier, fustian, plushier, flaunting, plushy, vulgar, gaudy
3 Syllables
casuistic, peacockish, upscale, glittery, daliesque, luxurious, big-headed, centerfold, puffed-up, peacocky, magnific, grandiose, theatrical, opulent, pretentious, ornate, bombastic, surcharged, dropsical, conspicuous, jeweled, euphuistic, big-talking, stylistic, flatulent, inflated, elegant, pedantic
4 Syllables
extravagant, egotistic, obtrusive, dismissive, rhetorical, hyperbolic, spectacular, rhapsodical, overnice, highfaluting, highfalutin, self-respecting
5 Syllables
high-falutin', pleasure-loving, overambitious, many-faceted, oratorical, elaborate
6 Syllables
overestimated, exhibitionistic
7 Syllables
overelaborate