English dictionary

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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


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

SamplesIrrational numbers.

Domain categorymath, mathematics, maths


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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