Dictionary.com

unreason

[ uhn-ree-zuhn ]
/ ʌnˈri zən /
Save This Word!
See synonyms for: unreason / unreasoned / unreasoning on Thesaurus.com

noun
inability or unwillingness to think or act rationally, reasonably, or sensibly; irrationality.
lack of reason or sanity; madness; confusion; disorder; chaos: a world torn by unreason.
verb (used with object)
to upset or disrupt the reason or sanity of: The devious plot soon unreasoned the general.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of unreason

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 Unabridged Dictionary, © Random House, Inc. 2021

How to use unreason in a sentence

British Dictionary definitions for unreason

unreason
/ (ʌnˈriːzən) /

noun
irrationality or madness
something that lacks or is contrary to reason
lack of order; chaos
verb
(tr) 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
FEEDBACK