wastefully or recklessly extravagant

prodigal expenditure.

giving or yielding profusely; lavish (usually fol. by of or with )

prodigal of smiles; prodigal with money.

lavishly abundant; profuse

nature's prodigal resources.

a person who spends, or has spent, his or her money or substance with wasteful extravagance; spendthrift.

adjective

careful , thrifty , modest , poor

adjective

dissipated , excessive , extravagant , immoderate , improvident , intemperate , lavish , profligate , reckless , spendthrift , squandering , wanton , abundant , bounteous , bountiful , copious , exuberant , lush , luxuriant , moneyed , munificent , opulent , riotous , sumptuous , superabundant , teeming , profuse , wasteful

noun

big spender , compulsive shopper , deep pockets * , dissipator , high roller * , profligate , spender , spendthrift , sport , squanderer , waster , wastrel , scattergood , abundant , excessive , extravagant , gluttonous , lavish , lush , luxurious , opulent , profuse , squandering , wasteful