Cartesian doubt

noun

The philosophical idea proposed by Descartes that the world outside the self is subject to uncertainty.

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Meanings

nounCartesian doubt (countable and uncountable, plural Cartesian doubts)

plural Cartesian doubts

  1. countableuncountablehuman sciencesThe philosophical idea proposed by Descartes that the world outside the self is subject to uncertainty.
Cite this entry
APA

Cartesian doubt. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Cartesian%20doubt

MLA

“Cartesian doubt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cartesian%20doubt. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Cartesian doubt,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Cartesian%20doubt.

Source: Cartesian doubt on Wiktionary, CC BY-SA 4.0.