unwise

adjective

un·​wise ˌən-ˈwīz How to pronounce unwise (audio)
Synonyms of unwisenext
: lacking wisdom or good sense : foolish, imprudent
an unwise decision
unwisely adverb

Examples of unwise in a Sentence

It would be unwise to buy a house now. made the unwise decision to invest in a brand-new company
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As history and multiple legal settlements have shown, granting additional authority to the NYPD is unwise. Voice Of The People, New York Daily News, 1 Mar. 2026 There is an awareness that emptying the regular-season tank to win the division would be unwise, that building toward their best hockey for April is a smarter play. Jess Myers, Twin Cities, 27 Feb. 2026 New vaccines, however, are usually compared with older vaccines because it’s considered unethical, not to mention unwise, to put children at risk of contracting a vaccine-preventable disease. Tom Bartlett, The Atlantic, 24 Feb. 2026 The new tariffs would be limited to 150 days unless Congress extended them, which would be unwise — especially so close to an election. Sun Sentinel Editorial Board, Sun Sentinel, 23 Feb. 2026 See All Example Sentences for unwise

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of unwise was before the 12th century

Browse Nearby Words

Cite this Entry

“Unwise.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unwise. Accessed 5 Mar. 2026.

Kids Definition

unwise

adjective
un·​wise ˌən-ˈwīz How to pronounce unwise (audio)
ˈən-
: not wise : foolish
unwisely adverb

More from Merriam-Webster on unwise

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