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

Residents said most of the children killed lived in the Dir Colony neighborhood, where the school is located, leaving them unsure which bereaved family to visit first to offer condolences. — Arkansas Online, 16 Oct. 2026

Hujar is unsure of his prospects, curious where his talent and ambition might lead, embedded in a community that may or may not take him there. — Literary Hub, 16 Oct. 2026

The staff member was unsure whether voters were notified directly but said notices were posted on the county's website, on social media, and at both locations. — Daniel Wilkerson, CBS News, 16 Oct. 2026

Discovering that your identity has been stolen can leave you feeling angry, frightened and unsure where to begin. — Kurt Knutsson, FOXNews.com, 15 Oct. 2026