UNREASONING Synonyms: 89 Similar and Opposite Words

unreasoning

adjective

ˌən-ˈrēz-niŋ

Definition of unreasoning

as in irrational

not using or following good reasoning an unreasoning argument based on some false assumptions

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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 unreasoning 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, 6 July 2026 Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated. — New York Times, 9 June 2026 Bainbridge knew about secrets and unreasoning shame. — Christopher Tayler, Harpers Magazine, 27 Jan. 2026 Let sound political prescience but take the place of an unreasoning prejudice, and this will be done. — Frederick Douglass, The Atlantic, 16 Aug. 2017

Recent Examples of Synonyms for unreasoning

Adjective

But the question remained unsolved for polygons with irrational angles.

— Sam Macdonald, Scientific American, 14 Aug. 2026
As a result, the argument goes, today's spending is irrational because the hardware would need to be replaced too frequently to generate an attractive return on investment, known as ROI.

— , CNBC, 12 Aug. 2026

Definition of irrational

Adjective

The researchers suspect that others were created by AI that either hallucinated or, just like the AI agents browsing their file, couldn’t distinguish between legitimate and illegitimate instructions.

— Dan Goodin, ArsTechnica, 27 Aug. 2026
Internet discussions portrayed the SPLC as a politically motivated or illegitimate actor.

— Art Jipson, The Conversation, 20 Aug. 2026

Definition of illegitimate

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unreasoned

unreasoning

unreceptive

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“Unreasoning.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasoning. Accessed 2 Sep. 2026.

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Synonyms of unreasoning

adjective

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