IMPROVIDENT

adj. 1 short-sighted, imprudent, wasteful, profligate, prodigal, spendthrift, extravagant, lavish, profuse, happy-go-lucky, penny wise and pound foolish, uneconomic(al), thriftless He who is improvident in his youth plans for a short life 2 incautious, unwary, rash, reckless, impulsive, impetuous, headlong, heedless, careless, unthinking, unthoughtful, unmindful The club's present financial straits are the result of having an improvident treasurer