spend·thrift 
(spĕndthrĭft′)
(spĕndthrĭft′)n.
One who spends money recklessly or wastefully.
adj.
Wasteful or extravagant: spendthrift bureaucrats.
[SPEND + THRIFT, accumulated wealth (obsolete).]
- prescriptivism
- prescriptivist
- preseason
- preselect
- preselection
- presell
- presence
- presence of mind
- present
- present
- presentability
- presentable
- presentableness
- presentably
- present arms
- presentation
- presentational
- presentative
- present-day
- Present-day English
- presentee
- presenteeism
- presenter
- presentient
- presentiment