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Definitions

irrationality

[ih-rash-uh-nal-i-tee] / ɪˌræʃ əˈnæl ɪ ti /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Options remain the best way to monetize investor irrationality and emotional dysregulation.

From Barron's • Mar. 11, 2026

Bennett argued presciently that by kowtowing to radicals, “a great university was brought low by the very forces which modern universities came into being to oppose: ignorance, irrationality and intimidation.”

From The Wall Street Journal • Feb. 17, 2026

It’s simply a matter of taking advantage of structural market irrationality.

From MarketWatch • Dec. 26, 2025

Through the animal’s point of view, De Los Santos Arias considers the enduring grip of colonialism and the consequences of human irrationality.

From Los Angeles Times • Dec. 22, 2025

Like the proof of the irrationality of V2, like the discussion of simultaneity in special relativity, this is an argument in which the premise is challenged because the conclusion seems absurd.

From "Cosmos" by Carl Sagan