unsure

adjective

un·​sure ˌən-ˈshu̇r 

-ˈshər

especially Southern -ˈshȯr

: 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

• skeptical
• suspicious
• uncertain
• doubtful

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

That’s made the industry one of the most visible examples of how China’s breakneck AI transformation is impacting people’s livelihoods — wiping out jobs and creating new ones, leaving everyone unsure what’s next. — Simone McCarthy, CNN Money, 22 Aug. 2026

And for those who are unsure of how to start the process or where to find helpful information, community partners not only offer homeownership seminars but also have knowledgeable, caring professionals available to help. — Patricia Mason, Hartford Courant, 22 Aug. 2026

After starting his time playing Bo Duke at just 18, the end of the series found the actor six years older and unsure of his next step. — Angela Andaloro, PEOPLE, 21 Aug. 2026

About 17% called the experience somewhat or very positive, and 10% were neutral or unsure. — Sasha Rogelberg, Fortune, 20 Aug. 2026

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing unsure

• unsure of oneself

Rhymes for unsure

• abjure
• adjure
• allure
• assure
• brochure
• cocksure
• coiffure
• contour
• couture
• demure
• detour
• endure