What does irrational mean?

Definitions for irrational
ɪˈræʃ ə nlir·ra·tional

Here are all the possible meanings and translations of the word irrational.

Princeton's WordNet

  1. irrational number, irrational(adj)

    a real number that cannot be expressed as a rational number

  2. irrational(adj)

    not consistent with or using reason

    "irrational fears"; "irrational animals"

  3. irrational(adj)

    real but not expressible as the quotient of two integers

    "irrational numbers"

GCIDE

  1. irrational(a.)

    Not according to reason; having no rational basis; clearly contrary to reason; easily disproved by reasoning; absurd; -- of assertions and beliefs. Hence, of actions: foolish; unreasonable.

    Etymology: [L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

Wiktionary

  1. irrational(Noun)

    A real number that can not be expressed as the quotient of two integers, an irrational number.

    Etymology: From irrationalis, from ir- + rationalis.

  2. irrational(Adjective)

    Not rational; unfounded or nonsensical.

    an irrational decision

    Etymology: From irrationalis, from ir- + rationalis.

  3. irrational(Adjective)

    Of a real number, that cannot be written as the ratio of two integers.

    The number uE0009599uE001 is irrational.

    Etymology: From irrationalis, from ir- + rationalis.

Webster Dictionary

  1. Irrational(adj)

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

    Etymology: [L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

  2. Irrational(adj)

    not according to reason; absurd; foolish

    Etymology: [L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

  3. Irrational(adj)

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

    Etymology: [L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

Chambers 20th Century Dictionary

  1. Irrational

    ir-rash′un-al, adj. void of reason or understanding: absurd.—n. Irrational′ity.—adv. Irra′tionally.—Irrational numbers, a term applied to those roots of numbers which cannot be accurately expressed by a finite number of figures—e.g. √2 is an irrational number.

How to pronounce irrational?

  1. Alex
    Alex
    US English
    Daniel
    Daniel
    British
    Karen
    Karen
    Australian
    Veena
    Veena
    Indian

How to say irrational in sign language?

  1. irrational

Numerology

  1. Chaldean Numerology

    The numerical value of irrational in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of irrational in Pythagorean Numerology is: 9

Examples of irrational in a Sentence

  1. Zhang Qi:

    The measure is mainly intended to curb irrational speculation, which could be good for the overall market in the long run, yet could bode ill for speculative stocks in the short term.

  2. Ben Carson:

    Irrational decisions and violence often ensue, with few legal consequences for the individuals involved. seven years ago, the country was promised change that it could believe in. The emptiness of that promise notwithstanding, real change ultimately resides in each of us.

  3. Barbara Parker:

    It was a huge honor, what that patch is to me now is such a different kind of symbol. Now, I look at it and think,' It's a symbol of irrational behavior.'.

  4. Jony Luna:

    We are not crazy, or irrational, as they call us. Our fathers fought when they couldn't even read and write, now it is our time to fight, to defend our people and the people of Bolivia.

  5. Alphonso David:

    We are pleased The Court recognized this irrational rule for what The Court is : discrimination, plain and simple. LGBTQ Americans deserve the health care that they need without fear of mistreatment, harassment, or humiliation.

Images & Illustrations of irrational

  1. irrationalirrationalirrationalirrationalirrational

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Translations for irrational

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    easily diffused or spread as from one person to another
    • A. contagious
    • B. adscripted
    • C. tacky
    • D. ultimo

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