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

Giblin is unsure what will happen to the pavilion when the church takes over. — Charlotte Observer, 13 July 2026

Both playing with the same goal in mind, still unsure if there will be a Heat future for one, both or neither, after the two finished this past season on the Heat roster, Keels on a two-way deal, Young on a standard contract. — Ira Winderman, Sun Sentinel, 12 July 2026

The three wandered downtown Culver City, seemingly unsure of where to go. — Matthew Ormseth, Los Angeles Times, 11 July 2026

Economists, for their part, remain unsure about what types of policy interventions could best mitigate future problems, or really how big those problems are likely to be. — Lila Shroff, The Atlantic, 9 July 2026