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skeptic

Etymology and origin of the English word skeptic

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Pronunciation

  • IPA: /ˈskɛp.tɪk/[1]

Etymology

It comes, partly through Middle French sceptique,[2][3] from Latin scepticus,[4][2][3][5][6] from Ancient Greek σκεπτικός (skeptikós, “inquiring, reflective”),[4][2][3][5][6] from sképtesthai “to look, consider, examine”.[4][2][3][5][6] The followers of the Greek philosopher Pyrrho took the name Skeptikoí for themselves.[2][3] The spelling with sk-, after the Greek, dates from the early 17th century and became standard in the U.S.[2][3]

Earliest recorded meaning

A member of an ancient Greek school that doubted the possibility of real knowledge (1587).[2][3][5]

Semantic evolution

The extended sense, a person with a doubting attitude who suspends judgment, is recorded by 1615.[2][3] By the 1630s the word also meant one who doubts the truth of Christianity without denying it outright.[3] Skeptical is from 1639 and skepticism from 1646.[2]

Timeline

  • 1587 – a member of the ancient Skeptics.[2][5]
  • 1615 – one who has a doubting attitude.[2][3]
  • before 1631 – spelling skeptic.[2]
  • 1630s – a religious doubter.[3]
  • 1639 – skeptical.[2]
  • 1646 – skepticism.[2]

Modern meaning

Noun

  1. A person who habitually doubts or questions accepted beliefs or claims.
  2. A person inclined to skepticism in religious matters.
  3. An adherent of philosophical skepticism, especially of the ancient Greek school of Pyrrho.

Adjective

  1. Skeptical.
  • skeptical
  • skepticism
  • sceptic
  • scope
  • spy

Usage notes

Random House lists doubter as a synonym and believer as an antonym, and refers to its discussion at atheist.[6]

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
  3. ^ a b c d e f g h i j k Harper, Douglas, Online Etymology Dictionary, https://www.etymonline.com
  4. ^ a b c The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
  5. ^ a b c d e Merriam-Webster's Collegiate Dictionary (2003), 11th ed., Springfield, Mass.: Merriam-Webster
  6. ^ a b c d Random House Webster's Unabridged Dictionary (1999), 2nd ed., New York: Random House

Related etymologies

Cite this entry

“Skeptic.” Etymologically, 11 Oct. 2026, etymologically.com/en/skeptic. Accessed 11 Oct. 2026.

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