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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unreasonable
The people here weren't asking for anything unreasonable.
—
Giulia Carbonaro, MSNBC Newsweek, 25 June 2025
Solomon, 47, of Fairburn, was arraigned in federal court on June 17 on charges of using unreasonable force and obstructing justice, the U.S. Attorney’s Office for the Northern District of Georgia said in a news release.
—Julia Marnin, Miami Herald, 18 June 2025
California Department of Education officials in 2018 found that school staff used unreasonable and unnecessary force in restraining Max.
—Darrell Smith, Sacbee.com, 17 June 2025
By now people can recognize that some groups see an advantage in shrinking the electorate — by making Vote-by-Mail more difficult, requiring unreasonable ID requirements, and blocking felons who completed their sentence from voting.
—Howard L. Simon, The Orlando Sentinel, 10 June 2025
See All Example Sentences for unreasonable
Giulia Carbonaro, MSNBC Newsweek, 25 June 2025
Solomon, 47, of Fairburn, was arraigned in federal court on June 17 on charges of using unreasonable force and obstructing justice, the U.S. Attorney’s Office for the Northern District of Georgia said in a news release.
—Julia Marnin, Miami Herald, 18 June 2025
California Department of Education officials in 2018 found that school staff used unreasonable and unnecessary force in restraining Max.
—Darrell Smith, Sacbee.com, 17 June 2025
By now people can recognize that some groups see an advantage in shrinking the electorate — by making Vote-by-Mail more difficult, requiring unreasonable ID requirements, and blocking felons who completed their sentence from voting.
—Howard L. Simon, The Orlando Sentinel, 10 June 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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So watch for seemingly irrational behavior and erratic tactical moves, as leadership is unafraid to confuse customers and take outsized capital risks.—
Forrester,
Forbes.com,
2 July 2025
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As Reva relates the stories of her three main characters—including one whose true passion is snail conservation—her novel hums with bruised faith in the irrational power of hope, whether for peace, love, endangered species, or familial reconciliation.—
The New Yorker,
New Yorker,
23 June 2025
Adjective
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But such deference is inappropriate and unwarranted under Supreme Court precedents when a law burdens a group that has been historically subjected to discrimination.—
Erwin Chemerinsky,
Mercury News,
22 June 2025
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Our elevated emotions surrounding this shopping holiday aren’t unwarranted either, since, almost exactly a year ago, Amazon doled out unprecedented markdowns and is now promising that even more goodies will soon come down the pike.—
Stacia Datskovska,
Footwear News,
21 June 2025
Adjective
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And then, on top of it, I was born out of some affair like some illegitimate, sinful mistake?—
Brie Stimson,
FOXNews.com,
28 June 2025
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In addition to frequent password updates, individuals will need to be more alert about the increasing amount of malware hiding in illegitimate software, applications and other downloadable files, Valenzuela said.—
Dylan Butts,
CNBC,
26 June 2025
Adjective
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Rumors about drugging with needles began to swirl following the deadly Astroworld Festival crowd rush back in 2021, though those reports would subsequently prove to be unfounded.—
Ethan Millman,
HollywoodReporter,
23 June 2025
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This spring, multiple NATO officials told me that any sense of anxiety about America’s contribution to European security was unfounded: after all, nothing has changed in terms of the allocation of hard power.—
Joshua Yaffa,
New Yorker,
23 June 2025
Adjective
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Although users will likely be barraged with unavoidable pop-up messages warning them of the dangers of running an unsupported operating system, Windows 10 will still work.—
Barry Collins,
Forbes.com,
25 June 2025
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Swift's attorneys have repeatedly denied the allegations in the current and previous lawsuit, arguing for dismissal and noting that Marasco's claims are unsupported and, in many instances, time-barred under federal copyright law.—
Jenna Sundel,
MSNBC Newsweek,
3 June 2025
Adjective
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Beijing chose not to participate in the proceedings and maintains that the award was politically motivated and invalid.—
Micah McCartney,
MSNBC Newsweek,
19 June 2025
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The bills were sent to their home after bouncing back from a Colleyville company with an address that was either invalid or fictional.—
Cody Copeland,
Fort Worth Star-Telegram,
11 June 2025
Adjective
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These scans can detect benign anomalies that trigger unnecessary follow-ups and patient anxiety.—
Sindhya Valloppillil,
Forbes.com,
1 July 2025
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Plus, billions of dollars are spent on unnecessary tests—contributing to rising national health care costs and exacerbating terse relations between hospitals and insurance companies.—
Alexis Kayser,
MSNBC Newsweek,
30 June 2025
Adjective
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The site has a history of promoting groundless conspiracy theories.—
Tom Dreisbach,
NPR,
20 Feb. 2025
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On Thursday, Gottlieb and Hudson blasted the lawsuit as legally groundless and an effort to silence the actress.—
Daniel S. Levine,
People.com,
21 Mar. 2025
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 7 Jul. 2025.
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