as in irrational
not using or following good reasoning
was so upset that he was completely nonrational for a moment
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Recent Examples of nonrational
Mid-century collective behavior theories considered social movements to be nonrational, spontaneous events occurring during moments of social and cultural breakdown.
—
The Editors, JSTOR Daily, 10 Sep. 2025
The Editors, JSTOR Daily, 10 Sep. 2025
Recent Examples of Synonyms for nonrational
Adjective
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The study, published on the research platform arXiv, found that once the models were allowed to vary their bets and set their own targets, irrational behavior surged — and bankruptcy became a common outcome.—
Jesus Mesa,
MSNBC Newsweek,
22 Oct. 2025
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Poetry brings hope, not an irrational optimism or wishful thinking, but a positive orientation to the future, of what a better, healthier future would look like.—
K.J.S. “Sunny” Anand,
Time,
15 Oct. 2025
Adjective
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Let sound political prescience but take the place of an unreasoning prejudice, and this will be done.—
Frederick Douglass,
The Atlantic,
16 Aug. 2017
Adjective
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The letter came in response to a September argument from the CPSC that the launching of a new rule-compliant product undermined the argument that the rule was unreasonable.—
MSNBC Newsweek,
MSNBC Newsweek,
27 Oct. 2025
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This is not unreasonable in the least.—
R. Eric Thomas,
Mercury News,
26 Oct. 2025
Adjective
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Trump has accused Maduro of being an illegitimate president after an election that most independent observers believe was stolen.—
Richard Hall,
Time,
25 Oct. 2025
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Many of the campaigns have been more classic—for example, earlier this year, a wave of fake GitHub pages appeared for LastPass, with hackers using SEO tactics on Google and Bing to boost the illegitimate pages.—
PC Magazine,
PC Magazine,
25 Oct. 2025
Cite this Entry
“Nonrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonrational. Accessed 30 Oct. 2025.
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