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.
Residents said most of the children killed lived in the Dir Colony neighborhood, where the school is located, leaving them unsure which bereaved family to visit first to offer condolences. — Arkansas Online, 16 Oct. 2026 Hujar is unsure of his prospects, curious where his talent and ambition might lead, embedded in a community that may or may not take him there. — Literary Hub, 16 Oct. 2026 The staff member was unsure whether voters were notified directly but said notices were posted on the county's website, on social media, and at both locations. — Daniel Wilkerson, CBS News, 16 Oct. 2026 Residents said most of the children killed lived in the Dir Colony neighborhood, where the school is located, leaving them unsure of which bereaved family to visit first to offer condolences. — Riaz Khan, Los Angeles Times, 15 Oct. 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 20 Oct. 2026.

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