ostentatious

Synonyms: boastful chichi classy conspicuous crass dashing egotistic exhibitionistic extravagant flamboyant flatulent flaunted fussy garish gaudy gay glittery grandiose highfaluting jaunty loud obtrusive peacocky pompous pretentious spectacular splashy splurgy sporty swank swanky theatrical tinsel tony uptown vain vulgar

Antonyms: modest plain quiet reserved