ˌən-ˈrēz-nə-bəl
1
as in irrational
having no basis in reason or fact
an unreasonable assumption
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in unreasoning
not using or following good reasoning
an unreasonable respect for a man who did not deserve it
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unreasonable
Talking to multiple industry people, Jason Schreier’s recent theorizing that building a Destiny 3 from scratch could cost $500 million, before marketing and post-launch support, is not unreasonable in the current state of the industry.
—
Paul Tassi, Forbes.com, 28 May 2026
Across Connecticut, town budgets are failing—and not because residents have suddenly become unreasonable.
—Letters To The Editor, Hartford Courant, 28 May 2026
These are not unreasonable parameters for a compromise between the two countries.
—Arash Azizi, The Atlantic, 27 May 2026
As the complaints piled on, Congress voted to expand the powers of the FMC via the Ocean Shipping Reform Act of 2022 (OSRA), giving the agency the authority to investigate and penalize carriers for unreasonable practices.
—Glenn Taylor, Footwear News, 20 May 2026
See All Example Sentences for unreasonable
Paul Tassi, Forbes.com, 28 May 2026
Across Connecticut, town budgets are failing—and not because residents have suddenly become unreasonable.
—Letters To The Editor, Hartford Courant, 28 May 2026
These are not unreasonable parameters for a compromise between the two countries.
—Arash Azizi, The Atlantic, 27 May 2026
As the complaints piled on, Congress voted to expand the powers of the FMC via the Ocean Shipping Reform Act of 2022 (OSRA), giving the agency the authority to investigate and penalize carriers for unreasonable practices.
—Glenn Taylor, Footwear News, 20 May 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Carpenter says the disturbing encounters left her fearful for her safety and that of relatives living with her, as police label the suspect’s fixation irrational and increasingly dangerous.—
Emily St. Martin,
Los Angeles Times,
2 June 2026
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Great startups often look irrational at first.—
Anna Demeo,
Forbes.com,
31 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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States are also concerned, the official said, that posting a full-time guard outside someone’s house will cause unwarranted fear in their community.—
Brenda Goodman,
CNN Money,
29 May 2026
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This one has thankfully mounted a big comeback after an unwarranted sell-off in AI concerns this year.—
Jim Cramer,
CNBC,
29 May 2026
Adjective
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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.—
Tristan Bove,
Fortune,
29 May 2026
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That does not automatically mean every lawsuit involving a president and an executive agency is illegitimate.—
Andrew Leahey,
Forbes.com,
29 May 2026
Adjective
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Judge Nelson’s concerns are unfounded, as Kalshi and its confederates—Robinhood, Coinbase, and the CFTC—are not relying solely on the 2010 Dodd-Frank Act update to substantiate their claim that the CEA empowers the CFTC to regulate betting on the outcomes of sporting events.—
Daniel Wallach,
Forbes.com,
1 June 2026
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Sacramento County sheriff’s deputies on Friday searched a medical building in Carmichael after receiving what turned about to be unfounded reports of an intruder.—
Rosalio Ahumada,
Sacbee.com,
29 May 2026
Adjective
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This is nothing more than a baseless complaint meant to distract from the Department's mission of keeping dangerous criminals behind bars, despite attempts by activist judges who place politics above public safety.—
Laura Romero,
ABC News,
27 May 2026
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Their accounts, including confrontations with far-right security minister Itamar Ben-Gvir, have drawn international condemnation and diplomatic protests; Israeli prison officials dismiss the allegations as baseless as hundreds of activists are deported.—
Los Angeles Times,
Los Angeles Times,
22 May 2026
Adjective
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According to the report, 71% of those who felt unsupported on productions said safety policies weren’t properly followed.—
Max Goldbart,
Deadline,
28 May 2026
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Many influencers lack formal nutrition credentials and promote unsupported health claims.—
LeeAnn Weintraub,
Oc Register,
27 May 2026
Adjective
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In January 2025, however, a federal district court in Kentucky ruled that the Biden administration’s regulations were invalid.—
Marie-Amelie George,
The Conversation,
28 May 2026
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Her attorneys argued the defamation complaint is invalid because Ohio’s one-year statute of limitations had expired.—
David Zimmermann,
The Washington Examiner,
27 May 2026
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 7 Jun. 2026.
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