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

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

Synonyms

• distrustful
• doubtful
• dubious
• hinky [slang]
• mistrustful
• skeptical
• suspicious
• trustless
• uncertain
• unconvinced
• undecided
• unsettled

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

The Nuggets were unsure when Jokic would re-join the team as of Friday evening before the opening tip. —Bennett Durando, The Denver Post, 15 Nov. 2024

This fear and trauma have left her feeling isolated and unsure of how to seek help. —Harriette Cole, The Mercury News, 12 Nov. 2024

Mark Ruffalo shared a video on social media in a last-minute plea to voters who are unsure whether to choose the Democratic nominee Kamala Harris or the Green Party nominee Jill Stein on their ballots. —Thomas G. Moukawsher, Newsweek, 5 Nov. 2024

More:Attending college in Wisconsin and unsure how to vote? —Hope Karnopp, Journal Sentinel, 5 Nov. 2024

Word History

First Known Use

15th century, in the meaning defined above