ˌən-ˈrēz-nə-bəl
1
as in irrational
having no basis in reason or fact
an unreasonable assumption
Synonyms & Similar Words
Relevance
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
Examples are automatically compiled from online sources to
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Recent Examples of unreasonable
Many of our technologies are built on the not-unreasonable assumption that openness is good, and that more common knowledge is better.
—
Joshua Rothman, New Yorker, 14 Oct. 2025
Each side of the issue argues that the other is unreasonable and operating in bad faith.
—Taylor Seely, AZCentral.com, 9 Oct. 2025
The influencer, who was in her 20s and had garnered over 300,000 followers on TikTok, allegedly wanted to cut ties with Choi due to his coercive instructions and unreasonable scheduling, according to the reports.
—Latoya Gayle, PEOPLE, 6 Oct. 2025
After all, the Court just last month functionally set aside the Fourth Amendment's prohibition against unreasonable searches and seizures by ruling in that ICE can detain people for nothing other than speaking Spanish or standing in a Home Depot parking lot.
—David Faris, MSNBC Newsweek, 6 Oct. 2025
See All Example Sentences for unreasonable
Joshua Rothman, New Yorker, 14 Oct. 2025
Each side of the issue argues that the other is unreasonable and operating in bad faith.
—Taylor Seely, AZCentral.com, 9 Oct. 2025
The influencer, who was in her 20s and had garnered over 300,000 followers on TikTok, allegedly wanted to cut ties with Choi due to his coercive instructions and unreasonable scheduling, according to the reports.
—Latoya Gayle, PEOPLE, 6 Oct. 2025
After all, the Court just last month functionally set aside the Fourth Amendment's prohibition against unreasonable searches and seizures by ruling in that ICE can detain people for nothing other than speaking Spanish or standing in a Home Depot parking lot.
—David Faris, MSNBC Newsweek, 6 Oct. 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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The study, published on the research platform arXiv, found that once the models were allowed to vary their bets and set their own targets, irrational behavior surged — and bankruptcy became a common outcome.—
Jesus Mesa,
MSNBC Newsweek,
22 Oct. 2025
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Poetry brings hope, not an irrational optimism or wishful thinking, but a positive orientation to the future, of what a better, healthier future would look like.—
K.J.S. “Sunny” Anand,
Time,
15 Oct. 2025
Adjective
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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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Due process would allow for potential Cinnas to demonstrate innocence and remove themselves from the unwarranted threat; without it, everyone is imperiled.—
JSTOR Daily,
JSTOR Daily,
23 Oct. 2025
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His optimism is not unwarranted.—
Ni Tao,
Interesting Engineering,
21 Oct. 2025
Adjective
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Trump has accused Maduro of being an illegitimate president after an election that most independent observers believe was stolen.—
Richard Hall,
Time,
25 Oct. 2025
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Many of the campaigns have been more classic—for example, earlier this year, a wave of fake GitHub pages appeared for LastPass, with hackers using SEO tactics on Google and Bing to boost the illegitimate pages.—
PC Magazine,
PC Magazine,
25 Oct. 2025
Adjective
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Kennedy has come under criticism for vaccine skepticism and repeating unfounded claims about the causes of autism.—
Zachary Schermele,
USA Today,
21 Oct. 2025
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However, a new report by the BBC has found that such fears are likely exaggerated or unfounded.—
Christopher McFadden,
Interesting Engineering,
19 Oct. 2025
Adjective
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Naroditsky, whose cause of death has not been made public, had vigorously denied cheating, and other chess champions agreed the claims were baseless.—
Julia Prodis Sulek,
Mercury News,
23 Oct. 2025
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These baseless rumors of my involvement with Stephen and his death are false.—
Lynsey Eidell,
PEOPLE,
22 Oct. 2025
Adjective
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Research reveals that 43% of young professionals feel isolated or unsupported in figuring out their career paths.—
Allison Danielsen,
Fortune,
26 Oct. 2025
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The state treasurer and the fund’s chief investment officer said in 2014 that the resulting report contained multiple inaccuracies and unsupported allegations.—
William Melhado,
Sacbee.com,
21 Oct. 2025
Adjective
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If any provision of this Act or the application thereof to any person or circumstances is held invalid, the remainder of the Act and the application of the provision to other persons not similarly situated or to other circumstances shall not be affected thereby.—
JSTOR Daily,
JSTOR Daily,
17 Oct. 2025
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An international arbitral tribunal in The Hague rejected China’s sweeping claims in a 2016 ruling that Beijing continues to dismiss as invalid.—
Micah McCartney,
MSNBC Newsweek,
16 Oct. 2025
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 28 Oct. 2025.
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