irrational

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“
To accept something without evidence is irrational, which is what you do when you believe god.

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Definitions (21)

Toggle American Heritage definitions American Heritage Dictionary (7)

  1. adjective Not endowed with reason.
  2. adjective Affected by loss of usual or normal mental clarity; incoherent, as from shock.
  3. adjective Marked by a lack of accord with reason or sound judgment: an irrational dislike.
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Examples (50)

  • True, the decision to go to elections had little to do with rational considerations and should not have been predictable, but predicting the irrational is a safe bet in this neck of the woods.
  • To accept something without evidence is irrational, which is what you do when you believe god. —  بالاترین
  • He recognizes that the action is completely irrational, and that the sign will have no bearing whatsoever on his unborn child's ability to hear-yet all the same he cannot live with the discomfort and fear that the sign's presence causes him. —  PopMatters
  • It is the cancer messages that are irrational, and ignorance of them that is eminently, admirably sensible.
  • Hiring someone after one interview is completely irrational, as are most of the ways we identify contenders. —  TPN :: The Cranky Middle Manager Show
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Roget's II Roget's II: The New Thesaurus

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Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary. Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Etymologies (1)

Toggle Century etymologies Century Dictionary (1)

  1. = French irrationnel = Provencal irrational = Spanish Portuguese irracional = Italian irrazionale, inrazionale, from Latin irrationalis, inrationalis, not rational, from in- privative + rationalis, rational: see rational.
 

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/ɪˈræʃənəl/
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