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

Wall Street is unsure whether the Fed next week will hold its benchmark lending rate steady for the fifth consecutive meeting, or raise rates, according to futures — a lack of clarity not seen in years. — Bryan Mena, CNN Money, 27 July 2026

The new monthslong delay in the Paramount-WBD merger — and the looming prospect of mass layoffs if and when that happens — has left employees at both companies feeling unsure of what will happen and when. — Todd Spangler, Variety, 27 July 2026

As a result, feeling unsure or not being able to predict what’s next is a trigger for me. — Harriette Cole, Mercury News, 27 July 2026

Many are also unsure of how nutrition affects their relative’s health condition and lack training on meal planning, budgeting and cooking for themselves and for a relative with chronic health conditions. — Minakshi Raj, The Conversation, 24 July 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