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.
Confused and unsure what to do, a BSO deputy told him his only option was to try to rebook with another airline and hope to make it in time for his daughter’s communion. Milena Malaver, Miami Herald, 2 May 2026 Thirty-five percent of unsure voters ticked that box, with 33% of young voters doing so. Kate Wolffe, Sacbee.com, 1 May 2026 Experts are seemingly unsure what solutions may be best to ensure that law enforcement is notified of active threats but not inundated by inconsequential incident reports, especially if the volume of violent ChatGPT users is as high as families suspect. Robert Pearlman, ArsTechnica, 29 Apr. 2026 At the same time, your creative life or romantic situation may feel unpredictable, leaving you unsure of where things are headed. Valerie Mesa, PEOPLE, 29 Apr. 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 6 May. 2026.

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