nonrational

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adjective non·ra·tio·nal \ ˌnän-ˈrash-nəl , -ˈra-shə-nᵊl \
Updated on: 11 Sep 2017

Definition of nonrational

1 :not based on, guided by, or employing reason :not rational :irrational
  • nonrational beliefs
  • nonrational behavior
  • … anthropological history exploring such nonrational aspects of society as mating customs and eating habits.
  • —Gertrude Himmelfarb
2 mathematics :not relating to or being a rational number :irrational
  • nonrational numbers


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