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Showing results for unsure. Search instead for unsurp.
Definitions

unsure

[uhn-shoor, ‐shur] / ʌnˈʃʊər, ‐ʃɜr /
ADJECTIVE
doubtful, insecure
Synonyms
STRONGEST
distrustful dubious hesitant indecisive mistrustful shaky skeptical suspicious uncertain unclear unconvinced undecided
WEAK
betwixt and between borderline fluctuant fly-by-night iffy in a quandary indeterminate irresolute lacking open problematic rootless touch and go unassured unconfident undependable unreliable unstable untrustworthy untrusty up for grabs vacillating wavering weak wimpy wobbly
Antonyms
STRONGEST
believing certain clear definite determined indubious sure trustworthy trusty undoubted unwavering
WEAK
secure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 1855, Natalie is unsure who’s watching — a cruel producer?

From Los Angeles Times • Apr. 7, 2026

"It's truly very sad to know people had to abandon homes built over a lifetime, unsure if they will ever return."

From Barron's • Apr. 5, 2026

For years, scientists were unsure where TMEM175 was located in cells or what it actually did.

From Science Daily • Mar. 26, 2026

These days, the tourists are fewer, while many say they are leaving due to the war, unsure when they will return.

From The Wall Street Journal • Mar. 22, 2026

Ray nodded, but he looked unsure and adjusted a knob on the receiver.

From "The Line Tender" by Kate Allen