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 Synonyms for nonrational
Adjective
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Economist Hyman Minsky spent his career explaining how irrational behavior produces fragility and instability in capitalist systems.
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McClanahan has been close enough to his usual production, but without an irrational need for perfection.
Adjective
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Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.
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Bainbridge knew about secrets and unreasoning shame.
Adjective
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Those fears are not unreasonable, either, given the ability of AI to do so many things so well.
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Horn’s assessment wasn’t unreasonable; it was based on recent statements by Greenlandic politicians.
Adjective
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Some fraudsters run an illegitimate DME company and get a doctor to prescribe the equipment.
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After testing against other economic variables that may have contributed to higher costs, and comparing housing activity in high-fraud ZIP codes to low-fraud ones in the same county, the researchers found illegitimate PPP loans to be one of the core drivers of housing prices.
Cite this Entry
“Nonrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonrational. Accessed 27 Jun. 2026.
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