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Ardent vs Irrational - What's the difference?

ardent | irrational |

As adjectives the difference between ardent and irrational

is that ardent is full of ardor; fervent, passionate 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.

ardent

English

Adjective

(en adjective)
  • Full of ardor; fervent, passionate.
  • * 1956 — , The City and the Stars , p 43
    • This ardent exploration, absorbing all his energy and interest, made him forget for the moment the mystery of his heritage and the anomaly that cut him off from all his fellows.
  • * {{quote-book
    • , year=1818 , author=Mary Shelley , title=Frankenstein , chapter=4 citation , passage=I see by your eagerness and the wonder and hope which your eyes express, my friend, that you expect to be informed of the secret with which I am acquainted; that cannot be; listen patiently until the end of my story, and you will easily perceive why I am reserved upon that subject. I will not lead you on, unguarded and ardent as I then was, to your destruction and infallible misery.}}
  • Burning; glowing; shining.

    • Related terms

    * ardently * ardent spirits * ardor

    Anagrams

    * ----

    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.