Meanings
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1
adj
wasteful or imprudent in the use of money or resources; not economical
The report criticized the unthrifty policy of borrowing to cover routine expenses.
Thesaurus
Etymology
From Middle English unthrifty, formed from un- ('not') + thrifty. Thrifty once had the broad sense 'prosperous or successful' before narrowing toward careful use of money, so unthrifty could also imply unproductive or unsuccessful conduct.