Definitions for Irrationalɪˈræʃ ə nl

This page provides all 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.

  2. Origin: [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.

  2. irrational(Adjective)

    Not rational; unfounded or nonsensical.

    an irrational decision

  3. irrational(Adjective)

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

    The number uE0009599uE001 is irrational.

  4. Origin: From irrationalis, from ir- + rationalis.

Webster Dictionary

  1. Irrational(adj)

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

  2. Irrational(adj)

    not according to reason; absurd; foolish

  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

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


Translations for Irrational

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