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

America Healthy Again movement that was made up in part by other vaccine skeptics — many of whom were concerned by the administration sidestepping the issue publicly. — Daniel Payne, STAT, 10 Aug. 2026

Kennedy, who heads the Department of Health and Human Services that oversees the FDA, is a longtime skeptic of vaccines. — Alice Park, Time, 6 Aug. 2026

There might be a lot to love about a pattern sandwich, but skeptics might question its staying power. — Kelsey Mulvey, Vogue, 6 Aug. 2026

Paul, a libertarian and longtime skeptic of the federal government’s response to the pandemic, has accused Fauci of covering up the origin of COVID-19 and referred him to the Justice Department multiple times under the Biden administration. — David Sivak, The Washington Examiner, 4 Aug. 2026