A person who spends money or resources wastefully
Characterized by excessive or imprudent spending
During his absence she married the profligate spendthrift, P. Cornelius Dolabella.
was a spendthrift and a bigot.
That might be true, but there was no point in working at becoming a spendthrift simply because he had money.
(1453-1474), king of Castile, surnamed the Impotent, or the Spendthrift, was the son of John II.
In spite of his somewhat extravagant living, he left an ample fortune to his spendthrift son, who did his best to squander it as soon as possible.