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Definitions

skeptical

[skep-ti-kuhl] / ˈskɛp tɪ kəl /
ADJECTIVE
disbelieving, leery
Synonyms
STRONGEST
doubtful dubious incredulous mistrustful suspicious unconvinced
WEAK
agnostic aporetic cynical dissenting doubting freethinking hesitating questioning quizzical scoffing show-me unbelieving
Antonyms
STRONGEST
believing certain clear convinced definite sure trustworthy trusty unquestionable
WEAK
devoted undoubting

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.

Cooper is skeptical Europe can deliver the 9% earnings growth consensus expects, and believes analysts are too optimistic about the knock-on effects of the crisis to growth assumptions.

From MarketWatch • Apr. 10, 2026

Some current and former spaceflight officials are skeptical that the Starship lander will be ready for that operation, given the amount of development work ahead and the relatively tight time frame.

From The Wall Street Journal • Apr. 4, 2026

The Supreme Court appeared skeptical of the administration’s case.

From Salon • Apr. 4, 2026

The draft resolution has been molded in a bid to rally several countries that have appeared skeptical, including Russia, China and France.

From Barron's • Apr. 3, 2026

Most professional astronomers of the day were skeptical, believing the “canal lines” were optical illusions.

From "Spooked!" by Gail Jarrow