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unreason

[uhn-ree-zuh n] /ʌnˈri zən/
noun
1.
inability or unwillingness to think or act rationally, reasonably, or sensibly; irrationality.
2.
lack of reason or sanity; madness; confusion; disorder; chaos:
a world torn by unreason.
verb (used with object)
3.
to upset or disrupt the reason or sanity of:
The devious plot soon unreasoned the general.
Origin of unreason
1250-1300
First recorded in 1250-1300, unreason is from the Middle English word un-reson. See un-1, reason
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for unreason
Contemporary Examples
Historical Examples
  • Indeed it would be the height of unreason to expect him to be sitting there without that head.

    Little Dorrit Charles Dickens
  • And, doctor, I want to apologize for my anger and unreason this morning.

    The Girls at Mount Morris

    Amanda Minnie Douglas
  • You will live bitterly to regret the haste and the unreason of it.'

    Robert Elsmere Mrs. Humphry Ward
  • The unreserve and unreason of her passion at last disgusted him.

    A Spoil of Office Hamlin Garland
  • My own matriculation at Eugene's College of unreason was in this wise.

  • It was typical of the unreason of his sex that he failed to be impressed by this argument.

    A Modern Chronicle, Complete Winston Churchill
  • Convalescence came, with its unwilling fretfulness, its fits of unreason.

    Peggy Laura E. Richards
British Dictionary definitions for unreason

unreason

/ʌnˈriːzən/
noun
1.
irrationality or madness
2.
something that lacks or is contrary to reason
3.
lack of order; chaos
verb
4.
(transitive) to deprive of reason
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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