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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.

But it’s important to remember that irrationality is often in the eye of the beholder.

From The Wall Street Journal • Dec. 26, 2025

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

Sundar Pichai, the head of Google's parent firm Alphabet, told the BBC that while the growth of AI investment had been an "extraordinary moment", there was some "irrationality" in the current AI boom.

From BBC • Nov. 19, 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