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.
Origin of unreason
First recorded in 1250–1300, unreason
is from the Middle English
based on reason: a carefully reasoned decision. containing reasons: a long, reasoned reply.
Origin of reasoned
Related formsrea·soned·ly, adverbun·rea·soned, adjectivewell-rea·soned, adjective
First recorded in 1675–85; reason
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for unreasonedarbitrary
Examples from the Web for unreasoned
Historical Examples of unreasoned
Varvilliers' unreasoned philosophy did not cover this point.
What is wanted is reasoned consideration, not unreasoned condemnation.
This faith, often blind and unreasoned, is distinctly Western and modern.
Again, an unreasoned philosophy, even though true, carries no guarantee of its truth.
It was trying; but the contempt, the unreasoned contempt, the man's appearance provoked, made it easier to bear.
British Dictionary definitions for unreasoned
Derived Formsreasonedly, adverb
well thought-out or well presenteda reasoned explanation
irrationality or madness
something that lacks or is contrary to reason
lack of order; chaos
(tr) to deprive of reason
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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