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
Many people still thought the man was being unreasonable, however.
—
Karen Fratti, People.com, 9 Mar. 2025
The Constitution’s Fourth Amendment, which guards against unreasonable searches and seizures, says an officer can only use as much force as is reasonable under the circumstance.
—Charles Rabin and, Miami Herald, 7 Mar. 2025
Lola feels Sami dated in Lola’s friend group against her wishes and has created unreasonable boundaries for her.
—Louis Peitzman, Vulture, 4 Mar. 2025
But the comparison of the former Pac-12 to the new Pac-12 isn’t unreasonable, either.
—Jon Wilner, The Mercury News, 3 Mar. 2025
See All Example Sentences for unreasonable
Karen Fratti, People.com, 9 Mar. 2025
The Constitution’s Fourth Amendment, which guards against unreasonable searches and seizures, says an officer can only use as much force as is reasonable under the circumstance.
—Charles Rabin and, Miami Herald, 7 Mar. 2025
Lola feels Sami dated in Lola’s friend group against her wishes and has created unreasonable boundaries for her.
—Louis Peitzman, Vulture, 4 Mar. 2025
But the comparison of the former Pac-12 to the new Pac-12 isn’t unreasonable, either.
—Jon Wilner, The Mercury News, 3 Mar. 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
-
Many voters said Governor Whitmer’s order, which restricted an outdoor activity – gardening – seemed irrational and excessive, even at the time.—
Jacob Turcotte,
The Christian Science Monitor,
11 Mar. 2025
-
But the widening gap between its real-world performance and analysts’ earnings estimates for unborn products has prompted some to warn of irrational exuberance.—
Chris Kirkham,
USA TODAY,
10 Mar. 2025
Adjective
-
The fact that this is the biggest scandal people can pull from this show is further proof that the excessive disdain is unwarranted.—
Alanna Bennett,
refinery29.com,
14 Mar. 2025
-
But the person who played a pivotal role in bringing her to the court tells The Gavel the criticism is unwarranted.—
Zach Schonfeld,
The Hill,
12 Mar. 2025
Adjective
-
Meanwhile, an early Jewish polemic claimed that Jesus was the illegitimate son of a Roman soldier nicknamed Panther—perhaps employing a tasteless but pointed pun on the Greek word parthenos (virgin).—
Adam Gopnik,
The New Yorker,
24 Mar. 2025
-
Ukraine and its Western allies have condemned those referendums, held in 2022, as illegitimate.—
Thomas G. Moukawsher,
Newsweek,
22 Mar. 2025
Adjective
-
Most concerning is Putin's calculation—not entirely unfounded—that Washington's eagerness for resolution will lead to pressuring Kyiv into virtual surrender by restricting military aid and intelligence sharing.—
Steve Forbes,
Forbes,
14 Mar. 2025
-
Somehow, Woodland was able to carry on playing after he was first woken up with a jolt by unfounded fears at the Mexico Open in April, remarkably making eight cuts in his next 10 tournaments.—
Don Riddell,
CNN,
13 Mar. 2025
Adjective
-
President Donald Trump wrote on Monday that Biden's pardons for the January 6 committee are invalid because they were signed with an autopen.—
Hannah Parry,
Newsweek,
19 Mar. 2025
-
And on Sunday, the president amplified the threat against the Jan. 6 investigators, saying their pardons were invalid because Biden had used an autopen to sign them.—
Mychael Schnell,
The Hill,
17 Mar. 2025
Adjective
-
Content filtering totally relies on the browser extension, so if your kid uses an unsupported browser or just turns off the extension, that’s the end of content filtering.—
PCMAG,
PCMAG,
17 Mar. 2025
-
The waves of targets, shifting priorities and unexpected challenges left him feeling exhausted and unsupported.—
Vibhas Ratanjee,
Forbes,
16 Mar. 2025
Adjective
-
Too often, redesigns happen simply for the sake of change — unnecessary, expensive and often worse than what came before.—
Chicago Tribune,
Chicago Tribune,
15 Mar. 2025
-
Be prepared for a communication breakdown — text messages may not make it to the right person, your plans may get completely derailed and all that fiery energy might translate into unnecessary confrontations or snap decisions.—
Valerie Mesa,
People.com,
15 Mar. 2025
Adjective
-
The bill was first introduced last year as Republicans focused on noncitizen voting Ahead of the 2024 election, Trump and his allies repeated the groundless claim that Democrats planned to cheat by encouraging noncitizens to illegally vote.—
Jude Joffe-Block,
NPR,
12 Mar. 2025
-
The allegation that the Chinese Government supports hacking is groundless and with ulterior motives.—
IEEE Spectrum,
IEEE Spectrum,
21 Feb. 2011
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 29 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share