Noun : a world torn by unreason.    From Dictionary.com. 

Verb (used with object) : The devious plot soon unreasoned the general.    From Dictionary.com. 

For in the postmodern age of unreason, that is all that matters.    From Wordnik.com.  [Cranmer] Reference

And anomalies accustom the mind to the idea of unreason and untruth.    From Wordnik.com.  [All Things Considered] Reference

As for the BBC, the age of unreason is truly upon us.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Was there any reason for the Wickliffe boy's unreason?.    From Wordnik.com.  [Ainslee's, Vol. 15, No. 5, June 1905] Reference

We will not be driven by fear into an age of unreason.    From Wordnik.com.  [Michael Likosky: The New McCarthyists: Fear and Smear] Reference

He may end in utter unreason -- because he has a reason.    From Wordnik.com.  [Orthodoxy] Reference

Obama is the sober voice of reason at a time of unreason.    From Wordnik.com.  [Frank Schaeffer: Obama Will Be One of The Greatest (and Most Loved) American Presidents] Reference

A defense, no doubt, against the hounds of total unreason.    From Wordnik.com.  [the dirty duck]

We need to counterbalance the horrors of unreason and hate.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

The herd instinct need not always act on the side of unreason.    From Wordnik.com.  [Human Traits and their Social Significance] Reference

Soul, as associated with death and unreason, is brought lower.    From Wordnik.com.  [The Six Enneads.] Reference

She was the daughter of unreason and the granddaughter of folly.    From Wordnik.com.  [The Palace of Darkened Windows] Reference

Poor Mr. Horace spoke with the unreason of a superstitious bigot.    From Wordnik.com.  [Balcony Stories] Reference

This just goes to show how selective and illogical unreason can be.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Up to now, Obama has not responded well to this onslaught of unreason.    From Wordnik.com.  [Johann Hari: The Republican Party Is Turning Into A Cult] Reference

The attitude of unreason will meana third war which sane people should avoid.    From Wordnik.com.  [OLIVER TAMBO AND THE STRUGGLE AGAINST APARTHEID] Reference

The attitude of unreason will mean a third war which sane people should avoid.    From Wordnik.com.  [OLIVER TAMBO] Reference

The Magician persisted, sounding quite reasonable in contrast to Bink's unreason.    From Wordnik.com.  [A Spell For Chameleon]

Yet now, especially, that unreason seems to have taken an almost pathological turn.    From Wordnik.com.  [Arlen Specter's Revenge] Reference

Logic pointed toward war: unreason seemed about to engulf the feeble murmur of diplomacy.    From Wordnik.com.  [Will He Blink?] Reference

But he was wrapped in a personal gloom that had descended on him like a cloud of unreason.    From Wordnik.com.  [The Palace of Darkened Windows] Reference

When added together we were much much more than just two humans struggling against unreason.    From Wordnik.com.  [To Change the World !] Reference

Their unreason is of no great consequence, yet it is something; it is not quite kept out of sight.    From Wordnik.com.  [Epic and Romance Essays on Medieval Literature] Reference

It's the cause of reason against unreason, of self-criticism against the firm convictions of fanaticism.    From Wordnik.com.  [Shadowland: Untrue Believers] Reference

And if you don't think that makes sense, why, that's more evidence of the overwhelming force of unreason.    From Wordnik.com.  [Arlen Specter's Revenge] Reference

The unreason of the statement occurred to her the moment it had escaped her, and her expression grew blank.    From Wordnik.com.  [The Tiger in the Smoke]

And wouldn't that unreason be more likely to get worse in the terrible lunar desert than it ever would on Earth?.    From Wordnik.com.  [The Planet Strappers] Reference

It should be dismissed, I think, as an indication of childish unreason, unworthy of any one who faces realities.    From Wordnik.com.  [Humanly Speaking] Reference

The light of unreason was still in her eyes when he had finished, telling her the things he and Kerk had discussed.    From Wordnik.com.  [Deathworld] Reference

I've been using those tools ever since and have never looked back to the arguments from unreason that defined my past.    From Wordnik.com.  [The Unseen And Unknowable Has No Place In Science] Reference

Renaissance Lady, I am acutely sensitive to the plight of people of reason and common sense living in places of unreason.    From Wordnik.com.  [Genuinely interesting thing I bet you haven't read about] Reference

Burnet was drawn to the translation of "Utopia" by the same sense of unreason in high places that caused More to write the book.    From Wordnik.com.  [Utopia] Reference

Is it not our own fault, and shall we not so educate our girls that they shall not fall into it, since they comprehend its unreason?.    From Wordnik.com.  [The Education of American Girls] Reference

Having successfully baffled his opponent with the brilliancy of his unreason, Kenny enlarged upon the humiliation he must experience when.    From Wordnik.com.  [Kenny] Reference

Hamlet, the utter wreck, unreason, and confusion is made bearable and beautiful by the tender finality of Hamlet's dying words to Horatio.    From Wordnik.com.  [Human Traits and their Social Significance] Reference