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Definitions

irrationally

[ih-rash-uh-nl-ee, -rash-nl-] / ɪˈræʃ ə nl i, -ˈræʃ nl- /
ADVERB
illogically
Synonyms


Example Sentences

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See Examples For:

People can act irrationally, change their habits, seek therapy, strengthen their commitment, or grow in ways that a mathematical model cannot fully anticipate.

From Science Daily ● Sep. 7, 2026

The most important lesson from that irrationally exuberant time is that overvaluation can lead to below-average returns for years — and even decades.

From MarketWatch ● Mar. 13, 2026

I found myself irrationally angry about the way T-Mobile convinced the Backstreet Boys to parody “I Want It That Way” with facile sloganeering.

From Slate ● Feb. 8, 2026

Defending Rumiantsev, Sasha Wass KC described Trump as a "wholly unreliable witness" who was "irrationally jealous" of her client.

From BBC ● Jan. 26, 2026

Doesn't she hear? as she stood before me in bewilderment, as though I were acting irrationally.

From "Invisible Man" by Ralph Ellison


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