irrationality

American  

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

noun

plural

irrationalities

1. the quality or condition of being irrational.

2. an irrational, illogical, or absurd action, thought, etc.

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Etymology

Origin of irrationality

First recorded in 1560–70; irrational + -ity

Example Sentences

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

From Barron's

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

At least one fellow, however, thought the addition represented a surrender to the forces of superstition and irrationality.

From The Wall Street Journal

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

From MarketWatch

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

From The Wall Street Journal

Related Words

• foolishness