Synonyms of improvident

2 Syllables
lavish, thoughtless, bumper, spendthrift, heedless, shiftless, slapdash, firstclass, reckless, thriftless
3 Syllables
imprudent, unwiser, prodigals, ill-judged, incautious, profuse, short-sighted, highroller, pound-foolish, shortsighted, near-sighted, high-roller, unthrifty, plentiful, prodigal, unalert, free-minded, careless, negligent, wasteful
4 Syllables
improficient, profligate, overhasty, extravagant, unsagacious, precipitant, unvigilant, inefficient, profusive
5 Syllables
unworkmanlike, ill-considered, dissipative, unadvisable, overgenerous, unconsidered, happy-go-lucky, pococurante
6 Syllables
uneconomical, inconsiderate