Given to extravagant expenditures; expending money or other things without necessity; profuse, lavish; wasteful; not frugal or economical; as a prodigal man; the prodigal son. A man may be prodigal of his strength, of his health, of his life or blood, as well as of his money.

Profuse, lavish; expended to excess or without necessity; as prodigal expenses.

Very liberal; profuse. Nature is prodigal of her bounties.

One that expends money extravagantly or without necessity; one that is profuse or lavish; a waster; a spendthrift.