anti-rational

adjective

an·​ti-ra·​tio·​nal

ˌan-tē-ˈra-sh(ə-)nəl,

ˌan-tī- 

variants or antirational

: opposed or contrary to what is rational : deliberately or utterly irrational

anti-rational thinking/behavior

anti-rationalism noun

or antirationalism

ˌan-tē-ˈrash-nə-ˌli-zəm,

-ˈra-shə-nə-ˌli-,

ˌan-tī- 

A cultural history of the past 40 years, the book focuses on the convergence of social forces … that have created a perfect storm of anti-rationalism.

—The Washington Times

anti-rationalist adjective

or antirationalist

ˌan-tē-ˈrash-nə-list,

-ˈra-shə-nə-list,

ˌan-tī- 

anti-rationalist theories

anti-rationalist noun

or antirationalist

… since it is quite possible to reduce one's use of evidence and logic in certain contexts, it is not necessarily futile for anti-rationalists to urge that everyone should do this every time they disagree with what anti-rationalists believe.

—Michael Albert

anti-rationality noun

or antirationality

ˌan-tē-ˌra-shə-ˈna-lə-tē,

ˌan-tī- 

It wasn't enough to reject the old approaches; a kind of antirationality gripped American business.

—Barbara Ehrenreich

Word History

First Known Use

1649, in the meaning defined above