NONRATIONAL Synonyms: 89 Similar and Opposite Words

nonrational

adjective

ˌnän-ˈrash-nəl

Definition of nonrational

as in irrational

not using or following good reasoning was so upset that he was completely nonrational for a moment

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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 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

Recent Examples of Synonyms for nonrational

Adjective

For all the film focuses on Carlson’s irrational attempts to peg the murder on gay people, the actual gay man Tom disappears from the narrative for long periods of time.

— Alison Foreman, IndieWire, 31 July 2026
Retailers’ reputations as poor environments for technology innovation is not unjustified, but their behavior is not completely irrational either.

— Richard Kestenbaum, Forbes.com, 23 July 2026

Definition of irrational

Adjective

But in each event—in the living act, the undoubted deed—there, some unknown but still reasoning thing puts forth the mouldings of its features from behind the unreasoning mask.

— Literary Hub, Literary Hub, 6 July 2026
Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.

— New York Times, New York Times, 9 June 2026

Definition of unreasoning

Adjective

Which is not entirely unreasonable given this very specific set of circumstances.

— Brian Grubb, Vulture, 3 Aug. 2026
Recalls are issued when vehicle owners, regulators, or manufacturers determine that a potentially faulty component presents an unreasonable safety risk or fails to meet specified standards.

— Jim Gorzelany, Forbes.com, 31 July 2026

Definition of unreasonable

Adjective

But that’s forcing them to wrestle with the idea that any action taken by a party is illegitimate, anti-democratic rigging — something the other team can use to depress the base.

— David Weigel, semafor.com, 22 July 2026
Signature-matching efforts sometimes disqualify more legitimate than illegitimate ballots.

— Jeremy Kohler, ProPublica, 15 July 2026

Definition of illegitimate

Browse Nearby Words

nonrandom

nonrational

nonrealistic

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“Nonrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonrational. Accessed 8 Aug. 2026.

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Synonyms of nonrational

adjective

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