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.
And for some students at the start of their academic and professional careers, the latest development leaves them unsure about what to do next. Simone McCarthy, CNN Money, 23 May 2025 The letter said that educators who were unsure of their responsibility were not given guidance or support about what to do. Jennah Pendleton, Sacbee.com, 23 May 2025 Researchers are still unsure of the exact cause of a water allergy. Sarah Jividen, Verywell Health, 23 May 2025 Lacking inspiration for your next fashion purchase or unsure which clothes might suit you best? David Prosser, Forbes.com, 22 May 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 28 May. 2025.

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