Synonyms of unsure

unsure

adjective

ˌən-ˈshu̇r 

as in skeptical

not feeling sure about the truth, wisdom, or trustworthiness of someone or something

unsure of her ability to handle the pressure of competing in the Olympic Games

Synonyms & Similar Words

• skeptical
• suspicious
• uncertain
• doubtful
• unsettled
• dubious
• unconvinced
• undecided
• hesitant
• distrustful
• mistrustful
• on the fence
• ambivalent
• conflicted
• hinky
• trustless
• insecure
• equivocal
• irresolute
• diffident
• indecisive
• wavering
• vacillating
• halting

Antonyms & Near Antonyms

• sure
• certain
• positive
• convinced
• confident
• assured
• sanguine
• determined
• decisive
• resolute
• self-assured

Example Sentences

Recent Examples of unsure

Interestingly, rather than becoming increasingly convinced that some sightings have been alien spacecraft, the percentage of Americans who are unsure has grown, from 7% in 2019 to 13% in 2026 the Gallup poll found. — Leonard David, Space.com, 14 Sep. 2026

After Wisconsin gave the job to Fickell, Leonhard was unsure what to do next. — Tim Graham, New York Times, 13 Sep. 2026

For pro wrestling fans who may not have tuned into AAA in the past or have and are unsure about what Triplemania is all about, commentator Corey Graves broke it down in a recent interview with OutKick Dropkick. — Ryan Gaydos Outkick, FOXNews.com, 10 Sep. 2026

When the cast finally returns months later for interviews, the women seem unsure how to talk about what happened at all. — Krystie Lee Yandoli, USA Today, 10 Sep. 2026