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1. Irrational thought, expression, or behavior; irrationality.
2. Belief in feeling, instinct, or other nonrational forces rather than reason.


(ɪˈræʃ ə nlˌɪz əm)

1. irrationality in thought or action.
2. a theory that nonrational forces govern the universe.
ir•ra′tion•al•ist, adj., n.
ir•ra`tion•al•is′tic, adj.


1. a theory that nonrational forces govern the universe.
2. any attitude or set of beliefs having a nonrational basis, as nihilism. — irrationalist, n., adj.irrationalistic, adj.
See also: Philosophy
References in periodicals archive ?
It's really only our bigotry and irrationalism, and that takes over.
They fancy themselves a small island of rationalism and free thought in the midst of a dark sea of irrationalism and superstition.
Any mention of an immaterial soul may give rise to fears in many scientists of a descent back into religious irrationalism (and a consequent lack of funding)" (p.
The irrationalism emphasized by Elder was one of the responses to those changes, but in other instances practitioners across those fields rationally accommodated the advent of multiple logics.
Apart from being a sign of abuse, arbitrariness, pillage and irrationalism, the project for the third airport is also a sign of pomp and arrogance, as it will host 150 million passengers a year, Aktar commented, noting that the figure is 72.
Rationalism here is the rejection of the possibility of the supernatural; irrationalism is--as by Feuerbach's "savages"--the worship of the world as it is.
Loss of devotion to God and Christianity is supposed to have rendered the human race, in the Russian nationalist philosophers' view, "morally blinded, gripped by materialism, irrationalism, and nihilism.
The West exported this anti-Christian virus to Russia,'' Ilyin wrote, "Having lost our bond with God and the Christian tradition, mankind has been morally blinded, gripped by materialism, irrationalism and nihilism.
19) The problem, however, is that Heidegger holds such self-concealing sheltering to be of dubious merit, asking: "But isn't this all unfounded mysticism or bad mythology, in any case a ruinous irrationalism, the denial of ratio?
As Sokurov's metaphysical road trip reaches its final destination, Faust gives full vent to Goethe's irrationalism.
His symptomology of late-nineteenth and early-twentieth-century writing is meant to unearth traditions of humanism and rationalism in modernity that have been buried under modernism's cultural pessimism, irrationalism, and Third-Worldist invocations of the primitive.
It was heavily criticized for not meeting the standards of the then-dominant view: it was found to be rather vague, inconsistent, not technical enough, philosophically naive, and open to charges of promoting relativism and irrationalism, always by the yardstick of a philosophy which was itself one of the targets of the book's author.