- 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.
- to upset or disrupt the reason or sanity of: The devious plot soon unreasoned the general.
Origin of unreason
Origin of reasoned
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unreasoned
Varvilliers' unreasoned philosophy did not cover this point.The King's Mirror
What is wanted is reasoned consideration, not unreasoned condemnation.Love--Marriage--Birth Control
This faith, often blind and unreasoned, is distinctly Western and modern.The Unity of Civilization
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.Lord Jim
- 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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012