thriftless

given to spending money freely or foolishly a thriftless girl who didn't keep track of her finances and overspent constantly Synonyms extravagant, high-rolling, profligate, spendthrift, squandering, prodigal, unthrifty, wastefulRelated Words improvident, myopic, shortsighted; bighearted, bountiful, charitable, freehanded, freehearted, generous, lavish, liberal, munificent, openhanded, openhearted, philanthropic (also philanthropical), unselfish, unsparing, unstinting; careless, heedless, imprudent, incautious, injudicious, unwise; indulgent, reckless, self-indulgent, splurging, wantonNear Antonyms cheap, close, closefisted, mean, miserly, niggardly, parsimonious, penurious, pinching, spare, sparing, stingy, stinting, tight, tightfisted; careful, judicious, prudent, sensible, wise; farsighted, forehanded, foreseeing, foresighted, forethoughtful, providentAntonyms conserving, economical, economizing, frugal, penny-pinching, scrimping, skimping, thrifty