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
Is Alpha coping with a fear of infection or the unreasonable burden of all her mother’s anxieties?
—
Peter Debruge, Variety, 19 May 2025
As part of the siblings’ clemency application, the governor asked the board to determine whether the brothers pose an unreasonable risk of danger if released.
—Tim Stelloh, NBC news, 17 May 2025
Improve access and quality of pre- and post-natal support, maternal care and child healthcare – Effective leaders evaluate their benefits to ensure employees and their dependents have access to quality care and do not face unreasonable costs.
—John M. Bremen, Forbes.com, 16 May 2025
In a unanimous opinion, the justices said courts can look beyond the exact moment a police officer is using deadly force to determine if the force was unreasonable.
—Maureen Groppe, USA Today, 16 May 2025
See All Example Sentences for unreasonable
Peter Debruge, Variety, 19 May 2025
As part of the siblings’ clemency application, the governor asked the board to determine whether the brothers pose an unreasonable risk of danger if released.
—Tim Stelloh, NBC news, 17 May 2025
Improve access and quality of pre- and post-natal support, maternal care and child healthcare – Effective leaders evaluate their benefits to ensure employees and their dependents have access to quality care and do not face unreasonable costs.
—John M. Bremen, Forbes.com, 16 May 2025
In a unanimous opinion, the justices said courts can look beyond the exact moment a police officer is using deadly force to determine if the force was unreasonable.
—Maureen Groppe, USA Today, 16 May 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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It's forged in the quiet, difficult moments when doing the right thing seems irrational.—
Victoria Vitchenco,
Forbes.com,
28 May 2025
-
Rejecting his challenge in February 2024, Britain’s High Court said the decision to change Harry’s security status was neither irrational nor procedurally unfair.—
Henry Austin,
NBC news,
2 May 2025
Adjective
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Earlier this week, Gates took to Instagram to give his unwarranted opinion on the couple’s relationship.—
Amber Corrine,
VIBE.com,
23 Apr. 2025
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Congratulations to Harvard University for fighting back against the Trump administration’s unseemly efforts to use federal dollars to try to exert unwarranted control over higher education.—
New York Daily News Editorial Board,
New York Daily News,
15 Apr. 2025
Adjective
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Maduro, whose reelection last year to a third term has been condemned internationally as illegitimate, also has cracked down on his political opponents.—
Mark Sherman,
Chicago Tribune,
19 May 2025
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Created primarily to fight organized crime, RICO was seldom used until a 1981 Supreme Court decision expanded its interpretation to apply to both legitimate and illegitimate enterprises, according to Jeffrey Grell, an expert on the law who previewed the case for the American Bar Association.—
Maureen Groppe,
USA Today,
2 Apr. 2025
Adjective
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For Parker, the accusation that Moretti used too much force was also unfounded.—
Grethel Aguila,
Miami Herald,
12 May 2025
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Creating a spinoff series around the villain who killed Rick Flagg (Joel Kinnaman) in The Suicide Squad was a bold move but my initial doubts proved unfounded.—
ArsTechnica,
ArsTechnica,
11 May 2025
Adjective
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The company has also said no federal regulatory agency has ever told it the credits are invalid.—
Jonathan Shorman,
Kansas City Star,
20 May 2025
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The board oversees virtually every aspect of state elections, large and small, from setting rules dictating what makes ballots valid or invalid to monitoring compliance with campaign finance laws.—
Doug Bock Clark,
ProPublica,
16 May 2025
Adjective
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But the water had gone down, leaving an unsupported shelf of thin ice along the bank, and snow had drifted over the shelf, hiding it.—
Ted Updike,
Outdoor Life,
22 May 2025
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Code written even five years ago may rely on deprecated dependencies or unsupported services.—
Rob Versaw,
Forbes.com,
22 May 2025
Adjective
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Patrick Boel, managing director at real estate developer Roundhouse, said most of the land the company owns is in areas where the new zoning code already provides for high-density housing, large heights and no parking requirements, making any incentives unnecessary.—
Carolyn Komatsoulis,
Idaho Statesman,
26 May 2025
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The move comes as Trump has looked for ways to cut spending deemed unnecessary, and the Treasury estimates halting the production of pennies will save $85 million. — CNBC’s Lisa Kailai Han, Dan Mangan, Ashley Capoot, Annika Kim Constantino and Jeff Cox contributed to this report.—
Michele Luhn,
CNBC,
23 May 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 3 Jun. 2025.
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