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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unreasonable
Expectations that this is going to be some huge flagship game for Bungie may have been unreasonable, but that’s the position it was put in.
—
Paul Tassi,
Forbes.com,
23 June 2026
Horn’s assessment wasn’t unreasonable; it was based on recent statements by Greenlandic politicians.
—
Ben Taub,
New Yorker,
15 June 2026
The Stars may be moving from Dallas to Plano, but under no reasonable, or unreasonable, scenario will this move lead to their departure from Texas.
—
Fort Worth Star-Telegram,
11 June 2026
However, investing in public institutions and infrastructure is a costly endeavor that can seem unreasonable when local officials are struggling to balance budgets without increasing tax burdens.
—
Aneri Pattani,
USA Today,
6 June 2026
See All Example Sentences for unreasonable
Paul Tassi,
Forbes.com,
23 June 2026
Horn’s assessment wasn’t unreasonable; it was based on recent statements by Greenlandic politicians.
—
Ben Taub,
New Yorker,
15 June 2026
The Stars may be moving from Dallas to Plano, but under no reasonable, or unreasonable, scenario will this move lead to their departure from Texas.
—
Fort Worth Star-Telegram,
11 June 2026
However, investing in public institutions and infrastructure is a costly endeavor that can seem unreasonable when local officials are struggling to balance budgets without increasing tax burdens.
—
Aneri Pattani,
USA Today,
6 June 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
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Economist Hyman Minsky spent his career explaining how irrational behavior produces fragility and instability in capitalist systems.
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McClanahan has been close enough to his usual production, but without an irrational need for perfection.
Adjective
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Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.
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Bainbridge knew about secrets and unreasoning shame.
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.
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Save emails and messages that show shifting expectations, unwarranted criticism or attempts to take credit for your work.
Adjective
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That difference suggests that the government sees this extension of patent rights as an illegitimate way for a company to exclude other companies from competing.
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Some fraudsters run an illegitimate DME company and get a doctor to prescribe the equipment.
Adjective
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The lesion that was removed is from the part of the brain that causes moments of unfounded fear.
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The rumors, so far, have proved unfounded.
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.
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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.
Adjective
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What is often misunderstood is that any of these virtuous behaviors can manifest as deficient vices when underdeveloped and as excess vices when strong but unsupported by the other 10 character dimensions, as evidenced by Steve Jobs.
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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.
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.
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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.
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 29 Jun. 2026.
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