Definition of Irrational

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Irrational

Not rational; void of reason or understanding; as, brutes are irrational animals.

Not according to reason; absurd; foolish.

Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See Surd.

Related Definitions:

Absurd, According, An, Are, As, Being, By, Capable, Especially, Exactly, Expressed, Foolish, Fraction, Integral, Irrational, Not, Number, Of, Or, Rational, Reason, Said, See, Surd, To, Understanding, Void, Vulgar

Irrational Quotations

Having a child is surely the most beautifully irrational act that two people in love can commit.
Bill Cosby

It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.
Edgar Allan Poe

There's no evidence whatsoever that men are more rational than women. Both sexes seem to be equally irrational.
Albert Ellis

If something is irrational, that means it won't work. It's usually unrealistic.
Albert Ellis

The irrational in the human has something about it altogether repulsive and terrible, as we see in the maniac, the miser, the drunkard or the ape.
George Santayana

Nothing defines humans better than their willingness to do irrational things in the pursuit of phenomenally unlikely payoffs. This is the principle behind lotteries, dating, and religion.
Scott Adams

The more I work with the body, keeping my assumptions in a temporary state of reservation, the more I appreciate and sympathize with a given disease. The body no longer appears as a sick or irrational demon, but as a process with its own inner logic and wisdom.
George MacDonald

Poetry involves the mysteries of the irrational perceived through rational words.
Vladimir Nabokov

It is not to be forgotten that what we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts.
Thomas Huxley

Fear of serious injury alone cannot justify oppression of free speech and assembly. Men feared witches and burnt women. It is the function of speech to free men from the bondage of irrational fears.
Louis D. Brandeis

Irrational Translations

irrational in German is irrational
irrational in Latin is insensatus
irrational in Norwegian is fornuftsstridig, irrasjonell
irrational in Spanish is irracional

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