unsure

adjective

un·​sure ˌən-ˈshu̇r How to pronounce unsure (audio)
-ˈshər
especially Southern -ˈshȯr
Synonyms of unsurenext
: not marked by or given to feelings of confident certainty : not sure
was unsure of what to do
see also:

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.
The change led to long lines and confusion among many voters unsure where to go. Claire Osborn, Austin American Statesman, 24 Mar. 2026 The group was unsure about having so much English on the album. Jennifer Zhan, Vulture, 24 Mar. 2026 That poll found 27% of Americans approved of the strikes, 43% disapproved, and 29% were unsure at the time. Terry Collins, USA Today, 24 Mar. 2026 Clement claimed the introduction of that bill in Congress was likely because lawmakers are unsure of how the high court will side in this case and want to push a policy that ends late-arriving mail ballots. Jack Birle, The Washington Examiner, 23 Mar. 2026 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 28 Mar. 2026.

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