What is the meaning of irrational?

noun

  • A real number that cannot be expressed as a rational number.

adjective

  • Not consistent with or using reason.
    • usage: "irrational fears"; "irrational animals"
  • Real but not expressible as the quotient of two integers.
    • usage: "irrational numbers"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). irrational. Retrieved September 20, 2026, from http://smartdefine.org/irrational/definitions/1176937
ChicagoWordNet. 2010. "irrational" http://smartdefine.org/irrational/definitions/1176937 (accessed September 20, 2026).
HarvardWordNet 2010, irrational, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/irrational/definitions/1176937>.
MLAWordNet. "irrational" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/irrational/definitions/1176937>
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