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
Love, in this cultural script, is supposed to feel good most of the time, and that expectation isn’t entirely unreasonable.
—
Mark Travers, Forbes.com, 24 Jan. 2026
Under Florida law, victims and their families have the right to a speedy trial free from unreasonable delays.
—Grethel Aguila, Miami Herald, 23 Jan. 2026
All law enforcement operations — including those conducted by ICE and Customs and Border Protection — are governed by the 4th Amendment of the Constitution, which protects all people in the country from unreasonable searches and seizures.
—Rebecca Santana, Los Angeles Times, 22 Jan. 2026
All law enforcement operations — including those conducted by ICE and Customs and Border Protection — are governed by the Fourth Amendment of the Constitution, which protects all people in the country from unreasonable searches and seizures.
—Rebecca Santana, Chicago Tribune, 21 Jan. 2026
See All Example Sentences for unreasonable
Mark Travers, Forbes.com, 24 Jan. 2026
Under Florida law, victims and their families have the right to a speedy trial free from unreasonable delays.
—Grethel Aguila, Miami Herald, 23 Jan. 2026
All law enforcement operations — including those conducted by ICE and Customs and Border Protection — are governed by the 4th Amendment of the Constitution, which protects all people in the country from unreasonable searches and seizures.
—Rebecca Santana, Los Angeles Times, 22 Jan. 2026
All law enforcement operations — including those conducted by ICE and Customs and Border Protection — are governed by the Fourth Amendment of the Constitution, which protects all people in the country from unreasonable searches and seizures.
—Rebecca Santana, Chicago Tribune, 21 Jan. 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Tempering the not-so-irrational fears out there about AI replacing human workers, Jensen offered a more optimistic view.—
Zev Fima,
CNBC,
21 Jan. 2026
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In that space, intuition, which was once dismissed as irrational or unreliable, has started to re-enter the conversation.—
William Jones
January 21,
Miami Herald,
21 Jan. 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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But every so often, that cynicism is unwarranted.—
Iman Balagam,
Vogue,
28 Jan. 2026
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The decline is unwarranted because Apple recently announced a promising AI partnership with fellow Club holding Alphabet .—
Morgan Chittum,
CNBC,
22 Jan. 2026
Adjective
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At the start of the season, Sophie — who was born out of an illegitimate relationship between her father, Lord Penwood, and her mother, his maid and mistress — is living with and working for Lady Araminta (Katie Leung), her father's widow.—
Jordana Comiter,
PEOPLE,
31 Jan. 2026
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Apple Music introduced fraud penalties back in 2022, where along with demonetizing the illegitimate streams themselves, the company employed a sliding scale of fining fraudsters a fee calculated on what would’ve been royalties.—
Ethan Millman,
HollywoodReporter,
30 Jan. 2026
Adjective
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Then $1,500 for Noma stateside isn’t entirely unfounded.—
Emily Wilson,
Bon Appetit Magazine,
26 Jan. 2026
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These fears are not unfounded, said Rhiannon Batchelder, a career coach based in Denver.—
Annie Nova,
CNBC,
24 Jan. 2026
Adjective
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Bondi was an early backer of those baseless claims, as were other Justice Department appointees.—
Kevin Rector,
Los Angeles Times,
31 Jan. 2026
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Iran has dismissed as baseless allegations that its intelligence officers sought to kidnap or kill her.—
Kanishka Singh,
USA Today,
29 Jan. 2026
Adjective
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The list of unsupported transactions included a $348 hotel transaction in Lima, Peru; a nearly $1,700 meal at a Dubai steakhouse; and about $1,500 in plane tickets through Fiji Airways, all of which corresponded to the dates of the social media posts.—
Ishani Desai,
Sacbee.com,
30 Jan. 2026
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Mirabal said the response from employees left her stunned and feeling unsupported.—
Abby Dodge,
CBS News,
29 Jan. 2026
Adjective
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The state attributed the delay in posting numbers to scrutiny of potentially invalid signatures.—
News Service Of Florida,
Sun Sentinel,
30 Jan. 2026
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However, DeGeneres' lawyers are arguing that delivery of the suit should be declared invalid because the attempts to serve the host with the papers had been made at the business management firm, NKSFB, LLC.—
Becca Longmire,
PEOPLE,
27 Jan. 2026
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 3 Feb. 2026.
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