ratitous
/ræˈtɪtəs/Definitions
1. adjective
Characterized by or given to wasteful or extravagant expenditure.
“The lavish spending of the company was deemed ratitous, leading to financial difficulties.”
2. noun
A person given to wasteful or extravagant expenditure.
“The wealthy socialite was often criticized for being a ratitous, squandering her inheritance on unnecessary purchases.”