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.
People are unsure about the industry for good reason, with everything happening with AI and in the world. Clayton Davis, Variety, 28 June 2026 Meanwhile, their adult children may feel unsure about how to — or even whether to — insert themselves. Becca Stanek, TheWeek, 26 June 2026 Now that the Fan Fest has been canceled for the afternoon, thousands of Netherlands fans are unsure where to go. Kansas City Star, 25 June 2026 Public Health staff said the majority of cases were among people who were unvaccinated or unsure they were vaccinated. Matthew Rodriguez, CBS News, 24 June 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 29 Jun. 2026.

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