Synonyms of skeptic

skeptic

noun

ˈskep-tik 

as in questioner

a person who is always ready to doubt or question the truth or existence of something

the demand by skeptics that believers in Bigfoot produce some hard evidence of that hairy humanoid

Synonyms & Similar Words

• questioner
• doubter
• unbeliever
• disbeliever
• cynic
• doubting Thomas
• agnostic
• misanthrope
• pessimist
• scoffer
• ridiculer
• derider

Antonyms & Near Antonyms

• sucker
• pigeon
• gull
• dupe
• chump

Example Sentences

Recent Examples of skeptic

Specifically 6,500 words outlining ways to spread the wealth and opportunity from AI to all people, including skeptics such as residents of communities that host data centers. — Phil Wahba, Fortune, 13 Aug. 2026

When Cisco finally surpassed its dot-com-era stock price in December 2025, Cramer said skeptics warned history would repeat itself. — Alexa Lomonaco, CNBC, 13 Aug. 2026

Sign Up for Our Free Daily Newsletter A controversial 2024 study that some vaccine skeptics used to argue that millions of people likely died as a result of COVID vaccines has been retracted over misinformation and issues with the research. — Adam Kovac, Scientific American, 12 Aug. 2026

Usha appears throughout the book as both witness and quiet skeptic. — Kate Andersen Brower, Vanity Fair, 12 Aug. 2026