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:
unsure of oneself

Synonyms of unsure

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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.
Omer Shamir France Fleeing from Khan Younis, award-winning Palestinian photojournalist Mohammed Zaanoun moves his immediate family to safety in Egypt, unsure of what’s to come. — Georg Szalai, HollywoodReporter, 29 Oct. 2026 DiCamillo said backers of a ballot measure also should be concerned any time support registers below 50%, since voters who are undecided or unsure tend to vote no. — Seema Mehta, Los Angeles Times, 29 Oct. 2026 Day cares and school nurses send unimmunized children home with non-measles rashes because many are unsure what measles looks like. — Katie Lockwood, STAT, 28 Oct. 2026 Even her staffers seem genuinely unsure of how election day will play out. — Maxwell Adler, Vanity Fair, 28 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

Phrases Containing unsure

Rhymes for unsure

See All Rhymes for unsure

Browse Nearby Words

unsuppressed
unsure
unsureness
See all Nearby Words

Cite this Entry

“Unsure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsure. Accessed 1 Nov. 2026.

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