Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

  • noun The principles of a system of thought opposed to rationalism; irrationality; the quality of not being guided by reason.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun philosophical movement formed as a cultural reaction against positivism in the early 20th century

Etymologies

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Examples

  • For a bird's-eye view of the history of the idea of irrationalism in philosophy, two preliminary method - ological observations are in order.

    Dictionary of the History of Ideas

  • It is being argued that the gov't should intervene in the decision to save vs. consume because such decisions are being made by 'non-market' factors such as irrationalism, people with poor financial education, 'media perceptions' etc.

    Trade Deficit, Saving, and Tax Policy, Arnold Kling | EconLog | Library of Economics and Liberty

  • Berlin does concede that Hamann was not a "heaven-storming" irrationalist, but he does not specify how his "irrationalism" differs from that of the heaven-stormers.

    'The Magus of the North'

  • So I am not pushing a kind of irrationalism here, because just as a society of friendship would, for Aristotle, make the institution of justice unnecessary, so the kind of transfer envisaged for philosophy above is validated by an analogous kind of displacement of one authority by another — by the power of the discourse endowed with new philosophical responsibilities to make the expected disciplinary procedures inessential. [

    Post-Secular Conviviality

  • "irrationalism" directed against the new philosophy falls to the ground.

    A New Philosophy: Henri Bergson

  • But it is to suggest just how very difficult it is to dispel fear, anxiety, insecurity, self-interest and irrationalism in matters that usually reside most comfortably in a textbook.

    Robert Teitelman: Politics and economic truths

  • Ironically, to explain asset swings, many economists end up arguing that investors have been seized by bouts of irrationalism, crowd psychology and momentum trading or fooled by "informational problems, poor incentives, and inadequate competition," allowing assets to diverge from intrinsic values, as determined by the model.

    Robert Teitelman: Frydman and Goldberg's Beyond Mechanical Markets

  • Ironically, to explain asset swings, many economists end up arguing that investors have been seized by bouts of irrationalism, crowd psychology and momentum trading or fooled by "informational problems, poor incentives, and inadequate competition," allowing assets to diverge from intrinsic values, as determined by the model.

    Robert Teitelman: Frydman and Goldberg's Beyond Mechanical Markets

  • But it is to suggest just how very difficult it is to dispel fear, anxiety, insecurity, self-interest and irrationalism in matters that usually reside most comfortably in a textbook.

    Robert Teitelman: Politics and economic truths

  • But it is to suggest just how very difficult it is to dispel fear, anxiety, insecurity, self-interest and irrationalism in matters that usually reside most comfortably in a textbook.

    Robert Teitelman: Politics and economic truths

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