• WordNet 3.6
    • adj reasonless having no justifying cause or reason "a senseless, causeless murder","a causeless war that never had an aim","an apparently arbitrary and reasonless change"
    • adj reasonless not endowed with the capacity to reason "a reasonless brute"
    • adj reasonless not marked by the use of reason "mindless violence","reasonless hostility","a senseless act"
    • ***
Webster's Revised Unabridged Dictionary
    • Reasonless Destitute of reason; as, a reasonless man or mind.
    • Reasonless Void of reason; not warranted or supported by reason; unreasonable. "This proffer is absurd and reasonless ."
    • ***
Century Dictionary and Cyclopedia
    • reasonless Lacking the faculty of reason; irrational, as an animal.
    • reasonless Deficient in reason or judgment; lacking in good sense; unreasoning.
    • reasonless Not marked or justified by reason; senseless; causeless; unwarranted.
    • ***


  • Anne Perry
    Anne Perry
    “... she knew in her heart that to be without optimism, that core of reasonless hope in the spirit rather than the brain, was a fatal flaw, the seed of death.”


In literature:

At first, no doubt, it was a chaos of streets and people and buildings and reasonless going to and fro.
"Tono Bungay" by H. G. Wells
Of all unbeautiful and inappropriate conceptions this is the most reasonless and offensive.
"The Devil's Dictionary" by Ambrose Bierce
My dreams, if dreams they may be called, were rhymeless and reasonless.
"The Jacket (The Star-Rover)" by Jack London
The thought that he was several years her junior produced a reasonless sigh.
"Life's Little Ironies A set of tales with some colloquial sketches entitled A Few Crusted Characters" by Thomas Hardy
This idea of some intangible force being exerted, may seem reasonless.
"The House on the Borderland" by William Hope Hodgson
This is a reasonless extension of one legitimate meaning of mind, namely, to heed, to give attention.
"Write It Right" by Ambrose Bierce
And she was conscious of that swift rising of dislike, of antagonism touched with reasonless fear.
"The Fortieth Door" by Mary Hastings Bradley
My reasonless persistence was beginning to irritate him.
"Lords of the North" by A. C. Laut
By this man is distinguished from the reasonless creatures, and the noble of men from the base sort.
"Memoirs of the Jacobites of 1715 and 1745." by Mrs. Thomson
Therefore, some reasonable scheme appears more likely than a reasonless one.
"The Daughters of Danaus" by Mona Caird
Crowds are capable of doing reasonless things upon impulse and of adopting creeds without reflection.
"Introduction to the Science of Sociology" by Robert E. Park
My heart fell and sunk with a reasonless, aimless pang.
"The First Violin" by Jessie Fothergill
Was it reasonless discontent?
"East of the Shadows" by Mrs. Hubert Barclay
At this discovery a wild and reasonless alarm seized me.
"A Maid of the Kentucky Hills" by Edwin Carlile Litsey
It seemed both reasonless and unaccountable.
"By Wit of Woman" by Arthur W. Marchmont
But ambition, a reasonlesse and restlesse humour, made him obstinate against all offers or inducements of peace.
"The Lives of the III Normans, Kings of England: William the First, William the Second, Henrie the First" by John Hayward
He had a sense of danger, all the more alarming because it was reasonless.
"The Four Corners of the World" by A. E. W. (Alfred Edward Woodley) Mason
Too late he cursed the reasonless panic that had sent him into flight.
"Satan Sanderson" by Hallie Erminie Rives
My reasonless despair Held Heaven's sanity.
"The Mortal Gods and Other Plays" by Olive Tilford Dargan
They are nearly all either thieves, spies, or reasonless beasts.
"The Empire Makers" by Hume Nesbit

In poetry:

In scores of hidden woodland dells,
Where no rough winds can harm,
The timid wild-flowers toss their bells
In reasonless alarm.
"The Storm" by Frederick George Scott
How reasonless the state of an emotion!
For wert thou faultless, perfect, and sublime,
I could not like thee; nor would my devotion
And love be less wert thou the Queen of Crime.
"V. Catullus Explains" by Franklin Pierce Adams