Improvident

Adjective

 * 1) failing to provide for the future; reckless
 * 2) incautious; prone to rashness

Synonyms

 * See: spendthrift

Antonyms

 * provident
 * See: miser

Derived terms

 * improvidence
 * improvidently

Adverbs for Improvident
lamentably; unfortunately; culpably; hopelessly; incorrigibly; vexatiously; tragically; unbearably; impossibly; heedlessly; recklessly; rashly; thoughtlessly; inattentively; negligently; arrantly; flagrantly; cruelly; brutally; shiftlessly; injudiciously; wildly; impulsively; senselessly; culpably.

Thesaurus
brash, brazen, brazenfaced, careless, extravagant, feckless, grasshopper, happy-go-lucky, headlong, heedless, hubristic, impetuous, imprudent, impudent, impulsive, incautious, indiscreet, injudicious, insolent, lavish, negligent, overbold, overcareless, overconfident, oversure, overweening, prodigal, profligate, profuse, rash, reckless, shiftless, short-sighted, spendthrift, temerarious, thoughtless, thriftless, unchary, uneconomical, unmindful, unproviding, unthinking, unthoughtful, unthrifty, unwary, wasteful

Etymology
From the Latin improvidens; in- + provident