5 days ago · The meaning of IRRATIONAL is not rational. How to use irrational in a sentence.

The Irrational is an American crime drama television series created by Arika Mittman. It is loosely based on the life of Dan Ariely, a behavioral economist and professor at Duke University, and his 2008 non …

The Irrational: Created by Arika Lisanne Mittman. With Jesse L. Martin, Maahra Hill, Travina Springer, Molly Kunz.

If you describe someone's feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking. ...an irrational fear of science.

IRRATIONAL definition: 1. not using reason or clear thinking: 2. (of a number) that cannot be expressed as the ratio of…. Learn more.

irrational (ɪˈræʃənəl) adj 1. inconsistent with reason or logic; illogical; absurd 2. incapable of reasoning

Jan 20, 2026 · Noun irrational (plural irrationals) (mathematics) A real number that can not be expressed as the quotient of two integers, an irrational number.

In mathematics, irrational refers to a type of number that cannot be expressed as a simple fraction or ratio of two integers. It is a number that cannot be written as a/b, where a and b are integers and b ≠ …

IRRATIONAL definition: without the faculty of reason; deprived of reason. See examples of irrational used in a sentence.

not having the power of reason: Brute animals are irrational beings. Mathematics (of a number) that cannot be expressed exactly as a ratio of two integers: The value of pi is an irrational number.