irrational

(a) not consistent with or using reason
- irrational fears
- irrational animals
(a) real but not expressible as the quotient of two integers
- irrational numbers

Nouns

(n) a real number that cannot be expressed as a rational number irrational number,

Synonyms

irrational number

Antonyms

rational

See also

illogical unlogical incoherent unreasonable

Words of close approximity

irrational hostility irrational impulse irrationality irrationally irrational motive irrational number