prodigal

[1]	profligate , squanderer
[2]	wastrel , spendthrift , profligate , squanderer , waster , big spender

adj.

[1]	wasteful , extravagant , spendthrift , lavish , excessive , profligate , squandering , immoderate , intemperate , wanton , improvident , reckless
[2]	generous , extravagant , profligate , bountiful , copious , spendthrift , profuse , bounteous , lavish , liberal , luxuriant , sumptuous , abundant , abounding , rich , plentiful , plenteous , superabundant , thriving , swarming , teeming