unsure

adjective

un·​sure ˌən-ˈshu̇r How to pronounce unsure (audio)
-ˈshər,
 especially Southern  -ˈshȯr
: not marked by or given to feelings of confident certainty : not sure
was unsure of what to do
Phrases
unsure of oneself
: lacking confidence in one's abilities
… he's a little unsure of himself when it comes to the music world …Seth Mnookin

Examples of unsure in a Sentence

unsure of her ability to handle the pressure of competing in the Olympic Games
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.
Of these, 20 percent believe the effects will be significant, 46 percent expect these to be moderate and 16 percent foresee a minimal impact, with 16 percent unsure and only two percent expecting no impact whatsoever. Hugh Cameron, MSNBC Newsweek, 12 Sep. 2025 Guehi then passes the ball into the space behind Villa’s midfield, to a point that is equidistant from their centre-backs, which helps Mateta drop to receive it because Torres and Carlos are unsure who has to move up to defend the centre-forward. Ahmed Walid, New York Times, 11 Sep. 2025 She was frustrated by Highmark’s denials and unsure if her last resort, the external appeal, would yield results. Duaa Eldeib, ProPublica, 10 Sep. 2025 Overall, 48% of respondents thought the policy was not based on science and facts, with the rest unsure or opting not to answer the question. Jason Lange, USA Today, 10 Sep. 2025 See All Example Sentences for unsure

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unsure was in the 15th century

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Cite this Entry

“Unsure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsure. Accessed 14 Sep. 2025.

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