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
Anglers in Michigan have the right to enjoy their sport free from unreasonable and deliberate interference, the DNR says.
—
Jenna Prestininzi, Freep.com, 1 Aug. 2025
As usual, Musk’s hype had driven expectations to unreasonable highs.
—Miles Klee, Rolling Stone, 27 July 2025
The lawsuit alleges that ICE agents have been rampantly violating the Fourth Amendment of the Constitution, which protects individuals from unreasonable searches and seizures.
—Bloomberg, Mercury News, 25 July 2025
The same could be true of the recent cost estimates, but construction technology has advanced in the past half century, so that lower costs per mile are not unreasonable.
—Michael Lynch, Forbes.com, 25 July 2025
See All Example Sentences for unreasonable
Jenna Prestininzi, Freep.com, 1 Aug. 2025
As usual, Musk’s hype had driven expectations to unreasonable highs.
—Miles Klee, Rolling Stone, 27 July 2025
The lawsuit alleges that ICE agents have been rampantly violating the Fourth Amendment of the Constitution, which protects individuals from unreasonable searches and seizures.
—Bloomberg, Mercury News, 25 July 2025
The same could be true of the recent cost estimates, but construction technology has advanced in the past half century, so that lower costs per mile are not unreasonable.
—Michael Lynch, Forbes.com, 25 July 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Nothing adds depth to an irascible curmudgeon quite like an irrational love of pets that do not love you back.—
Kathryn VanArendonk,
Vulture,
6 Aug. 2025
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Our worries are often dismissed as irrational—planes are much safer than cars, etc.—
Elaine Godfrey,
The Atlantic,
6 Aug. 2025
Adjective
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The vaunting acclaim the retrospective elicited seems largely unwarranted, though in several brilliant sequences scattered throughout his work, the unruly Rozier achieved an impulsive kind of mastery.—
James Quandt,
The New York Review of Books,
31 July 2025
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Glenn said just a day earlier that the hoopla on social media was unwarranted as many feared that the latest Jets’ signal caller could miss significant time like his predecessor, Aaron Rodgers, did in his first season in New York.—
Paulina Dedaj,
FOXNews.com,
26 July 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
Adjective
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History shows that fears of large-scale job displacement from offshoring were unfounded.—
Anjana Susarla,
Forbes.com,
11 Aug. 2025
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The hype around the off-label use of the immunosuppressant rapamycin to prevent aging and increase longevity could be unfounded.—
Hannah Millington,
MSNBC Newsweek,
8 Aug. 2025
Adjective
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While citywide data indicates crime throughout Cincinnati has remained on par with last year’s numbers, Bowman echoed the sentiments of the police department, blaming the city’s leadership for the reason police feel unsupported while carrying out their duties.—
Julia Bonavita,
FOXNews.com,
11 Aug. 2025
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When lateral career moves are overlooked or unsupported, companies don’t just stall talent.—
Vibhas Ratanjee,
Forbes.com,
8 Aug. 2025
Adjective
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If the result is not a multiple of 10, then the credit card number is invalid.—
Jack Murtagh,
Scientific American,
12 Aug. 2025
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For example, in the EMEA region, 60% of clicks on programmatic ads within the sports category on mobile apps were invalid in the first quarter of 2025, as were 14% of all mobile app traffic clicks in the region.—
Roman Vrublivskyi,
Forbes.com,
12 Aug. 2025
Adjective
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Nava said another key part of his work this year is tamping down any unnecessary fears and countering misinformation posted on social media and spread amongst farm workers in WhatsApp groups.—
David Culver,
CNN Money,
6 Aug. 2025
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Refuse receptacles/compactor and surrounding enclosure is not clean and/or free of unnecessary items and litter.—
Lillie Davidson,
Fort Worth Star-Telegram,
2 Aug. 2025
Adjective
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The totally groundless firing of Dr. Erika McEntarfer, my successor as Commissioner of Labor Statistics at BLS, sets a dangerous precedent and undermines the statistical mission of the Bureau.—
Anna Commander,
MSNBC Newsweek,
2 Aug. 2025
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Putin talks with Iranian foreign minister Russian President Vladimir Putin on Monday told Iranian Foreign Minister Abbas Araqchi in Moscow that aggression against Iran was groundless.—
Susan Miller,
USA Today,
24 June 2025
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 21 Aug. 2025.
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