Answer: Option C
Main Entry: extravagant
Part of Speech: adjective
Definition: indulgent, wasteful
Synonyms: absurd, bizarre, costly, crazy, exaggerated, excessive, exorbitant, expensive, extortionate, extreme, fanciful, fancy, fantastic, flamboyant, flashy, foolish, garish, gaudy, grandiose, immoderate, implausible, improvident, imprudent, inordinate, lavish, ludicrous, nonsensical, ornate, ostentatious, outrageous, overpriced, preposterous, pretentious, prodigal, profligate, reckless, ridiculous, showy, silly, spendthrift, steep, unbalanced, unconscionable, unreasonable, unrestrained
Antonyms: close, economical, moderate, provident, reasonable, saving, stingy, thrifty, unpretentious