unthrifty

adjective

un·​thrifty ˌən-ˈthrif-tē 

unthriftier; unthriftiest

: not thrifty: such as

a

: not growing vigorously : not strong or healthy

… many an unthrifty malnourished animal was sent out to plow …

—Maxine Kumin

b

: tending to spend money wastefully

unthrifty teenagers

Synonyms

• extravagant
• high-rolling
• prodigal
• profligate
• spendthrift
• squandering
• thriftless
• wasteful

Examples of unthrifty in a Sentence

the unthrifty couple ended up having to declare bankruptcy

Word History

First Known Use

14th century, in the meaning defined above