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English adjective: irrational

1. irrational not consistent with or using reason


SamplesIrrational fears.
Irrational animals.


Similarblind, nonrational, reasonless, superstitious, unreasoning


See alsoillogical, incoherent, unlogical, unreasonable


Antonymsrational

2. irrational real but not expressible as the quotient of two integers


SamplesIrrational numbers.


Domain categorymath, mathematics, maths


Antonymsrational


English noun: irrational

1. irrational (quantity) a real number that cannot be expressed as a rational number


Synonymsirrational number


Broader (hypernym)real, real number


Narrower (hyponym)algebraic number, transcendental number









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