See profligate in Webster's New World Roget's A-Z Thesaurus II
adjective
Lacking in moral restraint:
abandoned, dissipated, dissolute, fast, gay, incontinent, licentious, rakish, unbridled, unconstrained, uncontrolled, ungoverned, uninhibited, unrestrained, wanton, wild. See restraintCharacterized by excessive or imprudent spending:
extravagant, lavish, prodigal, profuse, spendthrift, wasteful. See careful, excess, save
noun
An immoral or licentious person:
libertine, rake1, wanton. See sexA person who spends money or resources wastefully:
prodigal, scattergood, spendthrift, waster, wastrel. See save
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