Irrational vs Idiot - What's the difference?

irrational | idiot |

As nouns the difference between irrational and idiot

is that irrational is a real number that can not be expressed as the quotient of two integers, an irrational number while idiot is (slang|derogatory) a proponent of intelligent design.

As an adjective irrational

is not rational; unfounded or nonsensical.




(en adjective)
  • Not rational; unfounded or nonsensical.
  • an irrational decision
  • * July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [,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 .


    * (mathematics) rational


    * (mathematics) transcendental

    Derived terms

    * irrational number * irrationality * irrationalize * irrationalization


    (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.



    Alternative forms

    * eejit * idjit, idget (eye dialect)


    (en noun)
  • (pejorative) A person of low general intelligence.
  • usage note This may be used pejoratively, as an insult. It is a weak insult, however, and between close friends, family members, or lovers, is often completely nonaggressive.
  • (obsolete, medicine, psychology) A person who lacks the capacity to develop beyond the mental age of a normal four-year-old.
  • Synonyms

    * See also


    * genius