as in unreasonableness
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Recent Examples of irrationality
In such conditions, apparent irrationality can invite probing, hedging or reciprocal escalation.
—
Andrew Latham, The Conversation, 26 Jan. 2026
Such irrationality proofs have been rare — and at times, according to longtime Quanta contributor Erica Klarreich, dramatic.
—Jordana Cepelewicz, Quanta Magazine, 18 Dec. 2025
When prompt instructions encouraged models to maximize rewards or hit specific financial goals, irrationality increased.
—Jesus Mesa, MSNBC Newsweek, 22 Oct. 2025
This irrationality, which is especially difficult to model, often boils down to computational constraints.
—John Werner, Forbes.com, 5 Aug. 2025
Andrew Latham, The Conversation, 26 Jan. 2026
Such irrationality proofs have been rare — and at times, according to longtime Quanta contributor Erica Klarreich, dramatic.
—Jordana Cepelewicz, Quanta Magazine, 18 Dec. 2025
When prompt instructions encouraged models to maximize rewards or hit specific financial goals, irrationality increased.
—Jesus Mesa, MSNBC Newsweek, 22 Oct. 2025
This irrationality, which is especially difficult to model, often boils down to computational constraints.
—John Werner, Forbes.com, 5 Aug. 2025
Recent Examples of Synonyms for irrationality
Noun
-
He was convicted three times and received a sentence of 19 years for extremism.—
Kerry Breen,
CBS News,
14 Feb. 2026
-
Rejecting extremism, Street declared that Hamas should be condemned, not celebrated.—
Staff,
FOXNews.com,
12 Feb. 2026
Noun
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Warnings about the radicalism of Jay Jones and Spanberger never stuck.—
Ray Nothstine,
Washington Post,
10 Feb. 2026
-
Fortunately, Kaplan quickly dispenses with this generic figure of resistance and dives into what made Decca’s radicalism so singular.—
Rachel Syme,
New Yorker,
1 Dec. 2025
Cite this Entry
“Irrationality.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irrationality. Accessed 19 Feb. 2026.
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