Spendthrift

n.	1.	One who spends money profusely or improvidently; a prodigal; one who lavishes or wastes his estate. Also used figuratively. A woman who was a generous spendthrift of life. - Mrs. R. H. Davis.
a.	1.	Prodigal; extravagant; wasteful.

Noun	1.	spendthrift - someone who spends money prodigally Synonyms: scattergood, spend-all, spender
Adj.	1.	spendthrift - recklessly wasteful; "prodigal in their expenditures" Synonyms: profligate, extravagant, prodigal

SPENDTHRIFT. By the Rev. Stat. of Vermont, tit. 16, c. 65, s. 9, spendthrift is defined to be a person who by excessive drinking) gaming, idleness or debauchery of any kind, shall so spend, waste, or lessen his estate as to expose himself or his family to want or suffering, or expose the town to charge or expense, for support of himself or family.

big-time spender, dissipative, easy come, easy go, extravagant, improvident, incontinent, intemperate, lavish, overgenerous, overlavish, overliberal, penny-wise and pound-foolish, pound-foolish, prodigal, prodigal son, profligate, profuse, spend-all, spender, squandering, wasteful, waster, wastethrift, wastrel