Synonyms of extravagant

1 Syllable

full, lush, steep, great, much

2 Syllables

flashy, flamboyant, undue, outre, fuller, bumper, spendthrift, showy, greatest, thriftless, mucho, lavish, fancy, costlier, fullest, crazy, garish, silly, costliest, ruinous, costly, high-flown, absurd, turn-on, lusher, drastic, sumptuous, foolish, rampant, plushier, firstclass, plushy, reckless, gaudy

3 Syllables

fanciful, extreme, outrageous, upscale, high-priced, imprudent, glittery, tumbledown, luxurious, pound-foolish, unthrifty, fairy-tale, bizarre, overmuch, redundant, peacocky, grotesque, superfluent, prodigals, outlandish, grandiose, rococo, fulsome, luxuriant, superfluous, opulent, fantastic, big-ticket, pretentious, towering, unsparing, plentiful, ornate, prodigal, procrustean, towery, baroque, plethoric, romantic, profuse, ludicrous, wasteful, fabulous

4 Syllables

implausible, preposterous, improvident, unrestrained, profusive, residuary, effusive, excessive, undeserved, nonsensical, improficient, profligate, exorbitant, ostentatious, fairytale, ridiculous, expensive, unbalanced, well-endowed, sensational, overpriced, inefficient

5 Syllables

unreasonable, unconscionable, unworkmanlike, recrementitious, dissipative, overgenerous, inordinate, pleasure-loving, superabundant, immoderate, overambitious, extortionate, many-faceted, overabundant, exaggerated, elaborate

6 Syllables

sensationalistic, imaginative, exhibitionistic, uneconomical, overdecorated, annihilative

7 Syllables

supererogatory