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
Nineteen recent clinical trials on kratom leaf document no evidence of severe addiction or significant or unreasonable adverse effects.
—
Tara Molina, CBS News, 1 June 2026
Bill Russell set an unreasonable bar.
—Joel Lorenzi, New York Times, 31 May 2026
That lingering inventory, which has drawn criticism from fans who believe the list prices are unreasonable, is a principal feature of the governing body’s ticket pricing strategy.
—Sara Germano, Sportico.com, 28 May 2026
Across Connecticut, town budgets are failing—and not because residents have suddenly become unreasonable.
—Letters To The Editor, Hartford Courant, 28 May 2026
See All Example Sentences for unreasonable
Tara Molina, CBS News, 1 June 2026
Bill Russell set an unreasonable bar.
—Joel Lorenzi, New York Times, 31 May 2026
That lingering inventory, which has drawn criticism from fans who believe the list prices are unreasonable, is a principal feature of the governing body’s ticket pricing strategy.
—Sara Germano, Sportico.com, 28 May 2026
Across Connecticut, town budgets are failing—and not because residents have suddenly become unreasonable.
—Letters To The Editor, Hartford Courant, 28 May 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Bill stutters an affirmative response that captures every man who has held out irrational hope that a woman will return to him.—
Stephen Rodrick,
Rolling Stone,
16 June 2026
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The book is Labarge’s attempt to tell the story of what happened to her and her family without sanitizing what happened, which requires her (and the reader) to sit with thoughts that are sometimes incoherent and irrational.—
Literary Hub,
Literary Hub,
11 June 2026
Adjective
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Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.—
New York Times,
New York Times,
9 June 2026
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Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
Adjective
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There is a lot riding on all involved improving a situation best described as chaotic and perhaps most suitably described as unwarranted.—
Sam McDowell,
Kansas City Star,
19 June 2026
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Save emails and messages that show shifting expectations, unwarranted criticism or attempts to take credit for your work.—
Caroline Castrillon,
Forbes.com,
18 June 2026
Adjective
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Some fraudsters run an illegitimate DME company and get a doctor to prescribe the equipment.—
Janice Neumann,
Chicago Tribune,
16 June 2026
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After testing against other economic variables that may have contributed to higher costs, and comparing housing activity in high-fraud ZIP codes to low-fraud ones in the same county, the researchers found illegitimate PPP loans to be one of the core drivers of housing prices.—
Tristan Bove,
Fortune,
29 May 2026
Adjective
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Those concerns and complaints have proven to be wildly unfounded.—
Ian Miller OutKick,
FOXNews.com,
15 June 2026
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The bill also allows for communication between the state’s health department and IDFPR involving patient abuse allegations, even those a hospital determines are unfounded.—
Emily Hoerner,
Chicago Tribune,
12 June 2026
Adjective
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On the evening of June 2, his baseless case was further undercut when Republican Steve Hilton won the second spot on November’s ballot for governor, up against Democrat Xavier Becerra.—
Jackie Calmes,
Mercury News,
19 June 2026
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Skepticism of elections flared up recently in California after Trump made a baseless claim that Democrats were cheating to defeat a Republican candidate for governor and another for Los Angeles mayor.—
Jesse Bedayn,
Chicago Tribune,
16 June 2026
Adjective
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Plants supported by a trellis or cage can be spaced closer together than unsupported plants, as their growth is directed upward.—
Kim Toscano,
Southern Living,
16 June 2026
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And in a political climate where unsupported conspiracies about election fraud can run rampant on social media — pushed, at times, by top political leaders — some fear the slow vote count is becoming a liability.—
Grace Toohey,
Los Angeles Times,
14 June 2026
Adjective
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Many argue that signatures are invalid because signers listed incorrect addresses or live outside of the district the candidate wants to represent.—
Kate Armanini,
Chicago Tribune,
20 June 2026
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Some associations would deny the requests over invalid online registrations, and some residents would accuse their community of overzealous rule enforcement.—
Shari Wald Garrett,
Miami Herald,
18 June 2026
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 22 Jun. 2026.
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