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Incredible vs Irrational - What's the difference?

incredible | irrational |

As adjectives the difference between incredible and irrational

is that incredible is incredible while irrational is not rational; unfounded or nonsensical.

As a noun irrational is

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

incredible

English

Adjective

(en adjective)
  • Too implausible to be credible; beyond belief; unbelievable.
  • * 1980 September 16, (w), quoted in William A. Schwartz et al., The Nuclear Seduction: Why the Arms Race Doesn’t Matter—And What Does , University of California Press (1990, 1993), ISBN 0-520-06134-9, page 29:
    • I get lost in what is credible and not credible. This whole thing gets so incredible when you consider wiping out whole nations, it is difficult to establish credibility.
  • * 2009 , (Diarmaid MacCulloch), A History of Christianity , Penguin 2010, page 796:
    • He therefore found revealed religion incredible in a literal sense, and, as Bayle had done before him, he radically separated morality from the practice of organized religion.
  • Amazing; astonishing; awe-inspiring.
    • He was so wrapped up in watching the incredible special effects that he couldn't keep track of the story.
  • Marvelous; profoundly affecting; wonderful.
    • I had such an incredible slice of pizza last night that I simply can't think about anything else.

    Synonyms

    * unbelievable

    Related terms

    * credibility * credible * creed * incredibility * incredibly

    irrational

    English

    Adjective

    (en adjective)
  • Not rational; unfounded or nonsensical.
    • an irrational decision
  • * July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [http://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/]
    • Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
  • (mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.
    • The number π is irrational .

    Antonyms

    * (mathematics) rational

    Hyponyms

    * (mathematics) transcendental

    Derived terms

    * irrational number * irrationality * irrationalize * irrationalization

    Noun

    (en noun)
  • A real number that can not be expressed as the quotient of two integers, an irrational number.
  • * 1946 , (Bertrand Russell), History of Western Philosophy , I.24:
    • The square root of 2, which was the first irrational to be discovered, was known to the early Pythagoreans, and ingenious methods of approximating to its value were discovered.