Spendthrift /(?)/

Spend·thrift

Spendthrift

n.
  1. One who spends money profusely or improvidently; a prodigal; one who lavishes or wastes his estate. Also used figuratively.
    A woman who was a generous spendthrift of life.
    — Mrs. R. H. Davis.

Spendthrift

a.
  1. Prodigal; extravagant; wasteful.