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  • sceptic
    sceptic
    noun
  • Sceptic
    Sceptic
    noun
    a member of one of the ancient Greek schools of philosophy, esp that of Pyrrho, who believed that real knowledge of things is impossible
Synonyms

sceptic

American  
[skep-tik] / ˈskɛp tɪk /

noun

  1. skeptic.


sceptic 1 British  
/ ˈskɛptɪk /

noun

  1. a person who habitually doubts the authenticity of accepted beliefs

  2. a person who mistrusts people, ideas, etc, in general

  3. a person who doubts the truth of religion, esp Christianity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to sceptics; sceptical

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Sceptic 2 British  
/ ˈskɛptɪk /

noun

  1. a member of one of the ancient Greek schools of philosophy, esp that of Pyrrho, who believed that real knowledge of things is impossible

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to the Sceptics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of sceptic

C16: from Latin scepticus, from Greek skeptikos one who reflects upon, from skeptesthai to consider

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.

Describing himself as a "romantic sceptic", Lewis said a lot of the people he spoke to "were remarkably articulate".

From BBC • Apr. 3, 2026

The exodus comes as health experts voice concern over the agency's approach to immunisations under the leadership of Kennedy, a vaccine sceptic.

From BBC • Aug. 27, 2025

Kennedy, though, is the best known vaccine sceptic in the country.

From BBC • Jun. 30, 2025

Geier is a leading vaccine sceptic who was fined by the state of Maryland for practicing medicine without a medical degree or licence and prescribing dangerous treatments to autistic children.

From BBC • Apr. 11, 2025

Friedrich Adler is a sceptic from head to foot: he does not believe in the masses, or in their capacity for action.

From Dictatorship vs. Democracy (Terrorism and Communism) by Trotzky, Leon Davidovich

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