as in unreasonable
not using or following good reasoning
it's irrational to think that you can continue to consume an excess of calories and not gain weight
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Recent Examples of irrational
While parting ways with Rizzo and Martinez might seem irrational given its timing, decisions needed to be made regarding contract options for the 2026 season by the middle of July.
—
Wayne G. McDonnell, Forbes.com, 12 July 2025
Travelers have a lot to fear this summer These fears are not irrational.
—Christopher Elliott, USA Today, 27 June 2025
The firm’s Hype Cycle normalizes — even glamorizes — the irrational, costly overpromising and overselling that hype entails.
—Eric Siegel, Forbes.com, 28 July 2025
And even some buyers who pride themselves on discipline and efficiency turn somewhat irrational.
—Ken Rosenthal, New York Times, 28 July 2025
See All Example Sentences for irrational
Wayne G. McDonnell, Forbes.com, 12 July 2025
Travelers have a lot to fear this summer These fears are not irrational.
—Christopher Elliott, USA Today, 27 June 2025
The firm’s Hype Cycle normalizes — even glamorizes — the irrational, costly overpromising and overselling that hype entails.
—Eric Siegel, Forbes.com, 28 July 2025
And even some buyers who pride themselves on discipline and efficiency turn somewhat irrational.
—Ken Rosenthal, New York Times, 28 July 2025
See All Example Sentences for irrational
Recent Examples of Synonyms for irrational
Adjective
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The policy and specialist support environment is going to need to become more sophisticated, and more responsive to balancing needs and addressing conflict, unfairness and unreasonable requests / restrictions.—
Nancy Doyle,
Forbes.com,
6 Aug. 2025
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Timothy Mousseau, a biologist at the University of South Carolina who studies organisms and ecosystems in radioactive regions, told the Times that the DOE's explanation that the wasps gathered legacy contamination for their homes is not unreasonable.—
Beth Mole,
ArsTechnica,
4 Aug. 2025
Adjective
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The deliberate flouting of the ban was part of a coordinated strategy to challenge what supporters view as an illegitimate restriction on free speech.—
Adeola Adeosun,
MSNBC Newsweek,
9 Aug. 2025
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Russian President Vladimir Putin claims Zelenskyy is illegitimate and has called for new elections in Ukraine.—
Chris Massaro,
FOXNews.com,
23 July 2025
Cite this Entry
“Irrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irrational. Accessed 21 Aug. 2025.
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