Pronunciation: (prod'i-gul),[key] —adj. 1. wastefully or recklessly extravagant: prodigal expenditure. 2. giving or yielding profusely; lavish (usually fol. by of or with): prodigal of smiles; prodigal with money. 3. lavishly abundant; profuse: nature's prodigal resources.
—n. a person who spends, or has spent, his or her money or substance with wasteful extravagance; spendthrift.