irrational
//ɪˈræʃ.ən.əl//
Adjective
irrationalCanonical form
more irrationalComparative
most irrationalSuperlative
1
Not based on or guided by reason or logic; unreasonable.
She has an irrational fear of spiders.
2
(of a number) Unable to be expressed as a ratio of two integers, such as π or √2.
Pi is an irrational number that cannot be expressed as a simple fraction.