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
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Recent Examples of unreasonable
The state-run insurer sent multiple cancellation letters through the years, each basing coverage on different contingencies Clark felt were unreasonable, such as undergoing another inspection or making additional upgrades to the property.
—
Peter Aldous, Miami Herald, 20 July 2025
Despite warranties forming the backbone of Philadelphia’s housing quality governance system – and concerns that these laws saddle tenants with unreasonable enforcement responsibilities – little is known about whether warranties are even effective.
—Gabriel L. Schwartz, The Conversation, 17 July 2025
In making arrests, the federal government allegedly went against both immigration laws and the Fourth Amendment, which protects people from unreasonable searches and seizures by the government, the plaintiffs argue.
—Laura Rodriguez Presa, Boston Herald, 15 July 2025
Initially offering to split it three ways due to an automatic gratuity policy for large parties, Stewart was met with increasingly unreasonable requests, culminating in a demand for nine individual checks.
—Maria Morava, MSNBC Newsweek, 11 July 2025
See All Example Sentences for unreasonable
Peter Aldous, Miami Herald, 20 July 2025
Despite warranties forming the backbone of Philadelphia’s housing quality governance system – and concerns that these laws saddle tenants with unreasonable enforcement responsibilities – little is known about whether warranties are even effective.
—Gabriel L. Schwartz, The Conversation, 17 July 2025
In making arrests, the federal government allegedly went against both immigration laws and the Fourth Amendment, which protects people from unreasonable searches and seizures by the government, the plaintiffs argue.
—Laura Rodriguez Presa, Boston Herald, 15 July 2025
Initially offering to split it three ways due to an automatic gratuity policy for large parties, Stewart was met with increasingly unreasonable requests, culminating in a demand for nine individual checks.
—Maria Morava, MSNBC Newsweek, 11 July 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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And even some buyers who pride themselves on discipline and efficiency turn somewhat irrational.—
Ken Rosenthal,
New York Times,
28 July 2025
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The firm’s Hype Cycle normalizes — even glamorizes — the irrational, costly overpromising and overselling that hype entails.—
Eric Siegel,
Forbes.com,
28 July 2025
Adjective
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An unwarranted threat Miami-Dade’s school district may prevent it.—
Sun Sentinel Editorial Board,
Sun Sentinel,
24 July 2025
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Peralta’s head of operations, Greg Nelson, said in an interview that one of the new terms Marina did not agree with was a penalty for unwarranted use of force.—
Shomik Mukherjee,
Mercury News,
17 July 2025
Adjective
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Carlson said he's seen a lot of online comments on posts about his new record claiming the fish's weight seems impossible and bow fishing being illegitimate.—
Natalie Davies,
Freep.com,
23 July 2025
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However, in past few years, the European Union has focused its attention on regulating activities in freeports, especially after increasing instances of use of these freeports, including those in Switzerland and Geneva, for illegitimate activities.—
Priya Prakash Royal Esq. LL.M. MBA AEP TEP,
Forbes.com,
1 June 2025
Adjective
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Still, any rumors of a falling-out with Sánchez appear to be unfounded.—
Heather Hunter,
The Washington Examiner,
30 July 2025
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However, a rep for Collins confirmed to TMZ that those rumors are unfounded.—
Jessica Lynch,
Billboard,
28 July 2025
Adjective
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Manager engagement has dropped to just 27%, showing even leaders feel unsupported or disconnected.—
Chris Rosenberg,
Fortune,
20 July 2025
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Then there’s a twist and reveal that becomes a canonical betrayal completely unsupported by coherent motivation, and the whole gambit falls apart.—
Katie Walsh,
Twin Cities,
19 July 2025
Adjective
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The Nunez contract is invalid because it was improperly solicited or procured.—
Arkansas Online,
Arkansas Online,
29 July 2025
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Maxwell has appealed her case to the Supreme Court, saying her conviction was invalid because of an earlier deal Epstein made with federal prosecutors.—
Brian Bennett,
Time,
28 July 2025
Adjective
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From sky-high heels and stiff business attire to bulky belts and even barefoot passengers (yes, that happens), these in-flight missteps can lead to unnecessary discomfort—or worse, a hygiene horror story.—
Rosie Marder,
Travel + Leisure,
25 July 2025
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Simple but crucial resilience improvements — such as raising street levels to prevent flooding or installing solar panels — face cumbersome and unnecessary review.—
Richard Buery,
New York Daily News,
24 July 2025
Adjective
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Putin talks with Iranian foreign minister Russian President Vladimir Putin on Monday told Iranian Foreign Minister Abbas Araqchi in Moscow that aggression against Iran was groundless.—
Susan Miller,
USA Today,
24 June 2025
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The site has a history of promoting groundless conspiracy theories.—
Tom Dreisbach,
NPR,
20 Feb. 2025
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 4 Aug. 2025.
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