spendthrift
noun [ C ]
uk/ˈspendθrɪft/ ussomeone who spends too much money without thinking about the results:
The changes in the law seem to punish districts for good financial management while rewarding spendthrifts.
spendthrift
adjective
uk/ˈspendθrɪft/ usin the habit of spending too much money without thinking about the results:
These were clear signals to change our spendthrift ways.
Company finance directors and spendthrift shoppers alike have reason to hope that energy prices will be more manageable in the coming year.
In spite of the housing slowdown, the American consumer remained cheerfully spendthrift.