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
Both Jaynes and Meany were accused by the Justice Department of aiding and abetting the deprivation of Taylor's Fourth Amendment right to be free from unreasonable searches and seizures.
—
Sarah N. Lynch, CBS News, 20 Mar. 2026
When patients have few to no symptoms, a kidney biopsy seems like an expensive and unreasonable ask.
—Charles Schmidt, Scientific American, 17 Mar. 2026
The lawsuit filed by Airlines for America contends that strict liability for wheelchair damage exposes carriers to unreasonable financial risk and that the regulatory approach is overly prescriptive in addressing industry practices.
—Los Angeles Times, 15 Mar. 2026
Because college football players can’t unionize and bargain rules, anti-tampering and other prohibitions aren’t exempt from antitrust scrutiny and can be challenged as unreasonable restraints on trade and price-fixing schemes.
—Michael McCann, Sportico.com, 12 Mar. 2026
See All Example Sentences for unreasonable
Sarah N. Lynch, CBS News, 20 Mar. 2026
When patients have few to no symptoms, a kidney biopsy seems like an expensive and unreasonable ask.
—Charles Schmidt, Scientific American, 17 Mar. 2026
The lawsuit filed by Airlines for America contends that strict liability for wheelchair damage exposes carriers to unreasonable financial risk and that the regulatory approach is overly prescriptive in addressing industry practices.
—Los Angeles Times, 15 Mar. 2026
Because college football players can’t unionize and bargain rules, anti-tampering and other prohibitions aren’t exempt from antitrust scrutiny and can be challenged as unreasonable restraints on trade and price-fixing schemes.
—Michael McCann, Sportico.com, 12 Mar. 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Though the process of how it is utilized can be debated, having emergency stocks of a vital resource subject to supply crises can hardly be called irrational.—
Scott L. Montgomery,
The Conversation,
23 Mar. 2026
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My greatest irrational fear was that the machine might squeeze far tighter than necessary and I’d just be stuck there in immense pain until someone unplugged the cord.—
Zachary Bernstein,
Los Angeles Times,
17 Mar. 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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DraftKings might also argue that a temporary restraining order is unwarranted since if the company has violated the NCAA’s marks, a court could later empirically assess damages and issue monetary damages.—
Michael McCann,
Sportico.com,
22 Mar. 2026
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Any concerns about 11-time Pro Bowler Travis Kelce’s career continuing with the Kansas City Chiefs in 2026 were apparently unwarranted.—
Chantz Martin,
FOXNews.com,
12 Mar. 2026
Adjective
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The show followed the destitute Cuylers — father Early, his illegitimate son Rusty, his meth-loving sister Lily, and his crabby grandmother Granny — and their various moneymaking high jinks.—
Eric Vilas-Boas,
Vulture,
18 Mar. 2026
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But then a mysterious Romany woman (Rebecca Ferguson) turns up, and persuades him to return to Birmingham, in order to bring his violent illegitimate son (Barry Keoghan) – who now runs his Peaky Blinders mob – to heel.—
The Week UK,
TheWeek,
12 Mar. 2026
Adjective
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Hurst police said complaint was unfounded Before the body cam video was released on Thursday, Hurst PD released a statement saying the case was closed.—
Bo Evans,
CBS News,
19 Mar. 2026
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Other former models on the series alleged age and weight discrimination, which Barker said were unfounded.—
Anthony Robledo,
USA Today,
18 Mar. 2026
Adjective
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Compounding that volume, legal workers say, is a disorienting veneer of legibility that AI can bring to flawed or baseless arguments.—
Maggie Harrison Dupré,
Futurism,
18 Mar. 2026
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Pakistani Prime Minister Shehbaz Sharif's spokesman, Mosharraf Zaidi, dismissed the accusations as baseless, saying no hospital was targeted in Kabul.—
Arkansas Online,
Arkansas Online,
17 Mar. 2026
Adjective
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Many taller sleepers struggle with standard mattress lengths that leave their feet unsupported.—
Jason Phillips,
USA Today,
25 Mar. 2026
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Filing incorrect income information or claiming unsupported credits can delay refunds and potentially lead to penalties.—
Kurt Knutsson,
FOXNews.com,
12 Mar. 2026
Adjective
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Changes to the hepatitis B vaccines for newborns and COVID-19 shots made via earlier ACIP votes were deemed invalid.—
Mary Walrath-Holdridge,
USA Today,
22 Mar. 2026
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Fry has been arrested more than two dozen times since 2003, on a range of offenses including assault, burglary, driving with an invalid license, resisting arrest and disorderly conduct, according to court records.—
Lillie Davidson,
Fort Worth Star-Telegram,
21 Mar. 2026
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 29 Mar. 2026.
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