The definition of prodigal is spending money carelessly and foolishly.(adjective)
An example of prodigal is buying very expensive cars and homes.
Prodigal is a person who left home, often under bad terms, and who then has a long-awaited and much celebrated return home.(noun)
An example of prodigal is a son who comes home to make peace with his father after a ten year fight.
See prodigal in Webster's New World College Dictionary
Origin: MFr < L prodigus, prodigal < prodigere, to drive forth or away, waste < pro-, forth + agere, to drive: see pro- & act
See prodigal in American Heritage Dictionary 4
Origin: Probably back-formation from prodigality.
Learn more about prodigal