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
These are not unreasonable requests.
—
Ted G Callam, San Diego Union-Tribune, 23 Mar. 2026
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
See All Example Sentences for unreasonable
Ted G Callam, San Diego Union-Tribune, 23 Mar. 2026
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
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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The selloff wasn’t irrational panic.—
Nick Lichtenberg,
Fortune,
7 Apr. 2026
-
Techlash is not irrational fear of innovation.—
Maha Hosain Aziz,
MSNBC Newsweek,
31 Mar. 2026
Adjective
-
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
Adjective
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Instead, public guidance was at times delivered with unwarranted confidence and revised too slowly as evidence evolved.—
Charles J. Lockwood,
STAT,
31 Mar. 2026
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His lawyer Tikaram Bhattarai told Reuters that the arrest was unwarranted.—
CNN Money,
CNN Money,
28 Mar. 2026
Adjective
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Outside the courthouse in Manhattan, small groups of supporters have denounced the trial as illegitimate.—
Antonio María Delgado,
Miami Herald,
30 Mar. 2026
-
Beatdapp, a firm specializing in streaming fraud detection, estimates fraudulent music streams generate approximately $2 billion in diverted, illegitimate royalties every year.—
Kyle Eustice,
VIBE.com,
30 Mar. 2026
Adjective
-
The theories are unfounded and have been repeatedly debunked.—
Taijuan Moorman,
USA Today,
1 Apr. 2026
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The lesion that was removed from his brain is from the part that causes moments of unfounded fear.—
Gary Bedore,
Kansas City Star,
31 Mar. 2026
Adjective
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The states argue the data collection risks invading student privacy, and leads to baseless investigations of colleges and universities.—
CBS News,
CBS News,
4 Apr. 2026
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The Maryland Civil Rights Commission could mirror Colorado’s, bringing baseless cases against religious schools that refuse to acquiesce to mainstream culture, especially beliefs on sexuality and gender.—
Stephen Mitchell,
Baltimore Sun,
2 Apr. 2026
Adjective
-
The lawsuit is reckless, irresponsible, and completely, completely, unsupported by the facts of this case.—
Jeff Capellini,
CBS News,
7 Apr. 2026
-
Those claims, according to Tigar’s ruling, were unsupported by evidence.—
Aldo Toledo,
San Francisco Chronicle,
6 Apr. 2026
Adjective
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Because the price hikes were found to be imposed without providing customers with valid justifications, the court ruled that the new prices are invalid and ordered Netflix to refund affected subscribers.—
Scharon Harding,
ArsTechnica,
3 Apr. 2026
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The ruling makes those increases legally invalid.—
Aamir Khollam,
Interesting Engineering,
3 Apr. 2026
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 12 Apr. 2026.
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