irrational
Definition from Wiktionary, the free dictionary
Contents
English[edit]
Etymology[edit]
From Latin irratiōnālis, from ir- + ratiōnālis.
Pronunciation[edit]
Adjective[edit]
irrational (comparative more irrational, superlative most irrational)
- Not rational; unfounded or nonsensical.
- an irrational decision
- July 18 2012, Scott Tobias, AV Club The Dark Knight Rises[1]
- 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[edit]
- (mathematics): rational
Hyponyms[edit]
- (mathematics): transcendental
Derived terms[edit]
Translations[edit]
unfounded or nonsensical
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mathematics: of a number
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Translations to be checked
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Noun[edit]
irrational (plural irrationals)
- 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.
- 1946, Bertrand Russell, History of Western Philosophy, I.24:
Translations[edit]
irrational number
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