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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of unreasonable
According to the Aspen Institute, Norwegian leagues don’t keep score or track standings until the kids are 11 years old, which goes a long way toward eliminating many of the unreasonable pressures that developing athletes often experience in more hyper-competitive environments.
—
Anthony Crupi,
Sportico.com,
26 June 2026
Luca thinks Marcus is being unreasonable by adding a new ingredient to their dessert at the last minute and by asking Chester to run an errand in awful conditions.
—
Jen Chaney,
Vulture,
26 June 2026
O'Hara sued the district last October, claiming police officers violated his First Amendment rights to free speech and his Fourth Amendment rights against unreasonable seizures and excessive force.
—
ABC News,
26 June 2026
That kind of success early in a team’s build can lead to outsized expectations and unreasonable belief in a core that has underlying issues.
—
Law Murray,
New York Times,
25 June 2026
See All Example Sentences for unreasonable
Anthony Crupi,
Sportico.com,
26 June 2026
Luca thinks Marcus is being unreasonable by adding a new ingredient to their dessert at the last minute and by asking Chester to run an errand in awful conditions.
—
Jen Chaney,
Vulture,
26 June 2026
O'Hara sued the district last October, claiming police officers violated his First Amendment rights to free speech and his Fourth Amendment rights against unreasonable seizures and excessive force.
—
ABC News,
26 June 2026
That kind of success early in a team’s build can lead to outsized expectations and unreasonable belief in a core that has underlying issues.
—
Law Murray,
New York Times,
25 June 2026
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
-
The reflex, from a distance, is to call this irrational.
-
If people believe regulatory caution invalidates every legal claim, courts may look irrational.
Adjective
-
Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.
-
Bainbridge knew about secrets and unreasoning shame.
Adjective
-
The strict approach wasn’t necessarily unwarranted.
-
There is a lot riding on all involved improving a situation best described as chaotic and perhaps most suitably described as unwarranted.
Adjective
-
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.
-
Some fraudsters run an illegitimate DME company and get a doctor to prescribe the equipment.
Adjective
-
The lesion that was removed is from the part of the brain that causes moments of unfounded fear.
-
The rumors, so far, have proved unfounded.
Adjective
-
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.
-
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
-
Nseyo notes there are plenty of unsupported myths around what causes UTIs, so stick to these tips.
-
He is no longer charged with the capital offense of murder through the use of a firearm after Garnett dismissed it in January, finding the top count was legally unsupported by the other charges.
Adjective
-
The lawsuit, filed Thursday in federal court in Northern California, claims the tech giant’s private arbitration order barring her from speaking about the company or promoting her bestselling book is invalid.
-
Rather than defend the statute, Attorney General Kris Kobach filed a joint motion siding with the DOJ in its interpretation that the law is invalid.
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 2 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
