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.
The outfit is unsure about the root cause of the problem and has launched an investigation to prevent a similar incident. Saajan Jogia, MSNBC Newsweek, 29 June 2025 For creators who’ve built something significant but are unsure how to grow further, or who are simply ready for a change, now may be a smart time to explore a sale. Ian Shepherd, Forbes.com, 28 June 2025 Often, players look unsure of team-mates’ positions and can consequently concede possession in dangerous situations. Megan Feringa, New York Times, 28 June 2025 Over a dozen members are still unsure of the bill, but many are waiting to see the Senate’s version before making any decisions. Rachel Schilke, The Washington Examiner, 27 June 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

Browse Nearby Words

Cite this Entry

“Unsure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsure. Accessed 4 Jul. 2025.

More from Merriam-Webster on unsure

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!