The AI-powered English dictionary
comparative more irrational, superlative most irrational
Not rational; unfounded or nonsensical. quotations examples
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.
July 18, 2012, Scott Tobias, AV Club The Dark Knight Rises
(mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers. examples
plural irrationals
A real number that can not be expressed as the quotient of two integers, an irrational number. quotations examples
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.
1946, Bertrand Russell, History of Western Philosophy, I.24