Pyrrhonism

P3Y4R1R1H4O1N1I1S1M3
UK/ˈpɪɹənɪz(ə)m/

noun

The system of skeptical philosophy established by Pyrrho of Elis, centred on the idea that nothing can be known for certain; widespread skepticism, universal doubt.

First used 17th c.Scrabble 20

Meanings

nounPyrrhonism (countable and uncountable, plural Pyrrhonisms)

plural Pyrrhonisms

  1. countableuncountablehuman sciencesThe system of skeptical philosophy established by Pyrrho of Elis, centred on the idea that nothing can be known for certain; widespread skepticism, universal doubt.First known use 17th c.

    Whosoever shall imagine a perpetuall confession of ignorance, and a judgement upright and without staggering, to what occasion soever may chance; That man conceives the true Phyrrhonisme.

    1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC
    2 more examples

    I have often been reproached with the aridity of my genius; a deficiency of imagination has been imputed to me as a crime; and the Pyrrhonism of my opinions has at all times rendered me notorious.

    1833, Edgar Allan Poe, MS. Found in a Bottle

    The continuing impact on Jefferson of Reid's antiskepticism and that of his followers is clear in a statement he made to John Adams in 1820: "Rejecting all organs of information, therefore, but my senses, I rid myself of the pyrrhonisms with which an indulgence in speculations hyperphysical and antiphysical, so uselessly occupy and disquiet the mind .

    2014, Allen Jayne, Jefferson's Declaration of Independence, page 98

Origin

  1. LatinPyrrhō
  2. EnglishPyrrhonism

From (the stem of) Latin Pyrrhō + -ism, after Middle French pyrrhonisme.

Full word history & related roots →
Cite this entry
APA

Pyrrhonism. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Pyrrhonism

MLA

“Pyrrhonism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Pyrrhonism. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Pyrrhonism,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Pyrrhonism.

Source: Pyrrhonism on Wiktionary, CC BY-SA 4.0.