irrationalism

[ ih-rash-uh-nl-iz-uhm ]

noun

1. irrationality in thought or action.
2. an attitude or belief having a nonrational basis.
3. a theory that nonrational forces govern the universe.

Other Words From

• ir·ration·al·ist adjective noun
• ir·ration·al·istic adjective

Word History and Origins

Origin of irrationalism¹

First recorded in 1805–15; irrational + -ism

Example Sentences

Thus the objection of "irrationalism" directed against the new philosophy falls to the ground.

From Project Gutenberg

Classical empiricism results in irrationalism; perhaps it would even be fitting to designate it by this latter name.

From Project Gutenberg

His contention that they cannot be reasoned about has led to the further charge of irrationalism.

From Project Gutenberg