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 man was pronounced dead by firefighters, and authorities were unsure if the death was considered a homicide. —Chris Ponce, Sacramento Bee, 17 June 2024

But the roster was crowded, his future was unsure and the option didn’t look all that promising. —Broderick Turner, Los Angeles Times, 13 June 2024

Many people were unsure what to expect, especially with the fair being so close to the May auctions in New York, which had less than stellar results. —Daniel Cassady, ARTnews.com, 13 June 2024

And her ability to space the floor to knock down open shots and facilitate for teammates has been a welcome sign as the team is unsure when Vandersloot will return to the lineup. —Fiifi Frimpong, New York Daily News, 11 June 2024

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing unsure

• unsure of oneself