as in unreasonableness
Related Words
Relevance
Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of irrationality
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
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
-
Orange County has a painful legacy of political extremism, including neo-Nazism.—
Los Angeles Times,
Los Angeles Times,
12 Jan. 2026
-
In 2015, an inquiry by the British government determined that the Islamist group is contrary to British values and that membership in the group could be a sign of extremism.—
Peter D'Abrosca,
FOXNews.com,
10 Jan. 2026
Noun
-
The fear among New York’s business community coming into Mamdani’s mayoralty was his potential radicalism on subjects ranging from anti-Israel policies to defunding the police to a generally socialist outlook.—
Jacqueline Munis,
Fortune,
7 Jan. 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 30 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
