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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Institutional trading desks spend enormous amounts of time studying behavior, emotional responses and risk tolerance because markets constantly pressure people into making irrational decisions.—
Robert Daugherty,
Forbes.com,
17 May 2026
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The bullish argument goes that earnings season went better than expected, so the rally isn’t irrational.—
Allison Morrow,
CNN Money,
13 May 2026
Adjective
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Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
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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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Sterling failed to live up to unreasonable expectations created by his huge contract, which quickly became a millstone.—
Liam Twomey,
New York Times,
15 May 2026
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The construction strikes many locals as both unreasonable and unstoppable.—
Rachel Monroe,
New Yorker,
14 May 2026
Adjective
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The nuns then took it upon themselves to make arrangements for the illegitimate child.—
Literary Hub,
Literary Hub,
8 May 2026
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The credit bureaus have said that many recent complaints are illegitimate, including a large volume filed by third-party credit repair organizations that charge customers to challenge negative information on their reports.—
Joel Jacobs,
ProPublica,
4 May 2026
Cite this Entry
“Nonrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonrational. Accessed 20 May. 2026.
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