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Definitions

skeptic

[skep-tik] / ˈskɛp tɪk /
NOUN
person who is leery, unbelieving
Synonyms
STRONGEST
agnostic cynic dissenter doubter pessimist questioner
STRONG
apostate atheist disbeliever freethinker heathen heretic infidel materialist misanthrope misbeliever nihilist pagan rationalist scoffer unbeliever
WEAK
doubting Thomas profaner
Antonyms
STRONGEST
believer optimist
WEAK
devotee disciple

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.

Ward’s song “does NOT guarantee you will have a good day,” another skeptic warned.

From The Wall Street Journal • Mar. 23, 2026

Topol, who has written extensively about advanced technology in medicine, is nothing like an AI skeptic.

From Los Angeles Times • Feb. 26, 2026

But that doesn’t make him an AI skeptic, either.

From Barron's • Jan. 29, 2026

Famed for predicting the housing market crash and a vocal skeptic of the AI boom, Michael Burry is now invoking one of the world’s most famous investors to add gravitas to his argument.

From MarketWatch • Jan. 12, 2026

“I’m not always a skeptic, but the odds of them telling the truth are practically nonexistent. I mean, that’s like saying Tim could be your brother.”

From "Dumplin'" by Julie Murphy