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
Vance said one portion of Democrats are making unreasonable demands to restore more than $1 trillion over the next decade in healthcare spending that was cut earlier this year.
—
Bart Jansen, USA Today, 4 Oct. 2025
If a potential client is trying to negotiate your rates down to nothing, making unreasonable demands, or giving you bad vibes, trust your gut.
—Kimberly Wilson, Essence, 1 Oct. 2025
Republicans argue that Democrats are making unreasonable demands on a stopgap bill that historically has served as a narrow, short-term bridge.
—Nik Popli, Time, 29 Sep. 2025
Vice President Vance, meanwhile, accused Democrats of making unreasonable demands.
—The Hill Staff, The Hill, 29 Sep. 2025
See All Example Sentences for unreasonable
Bart Jansen, USA Today, 4 Oct. 2025
If a potential client is trying to negotiate your rates down to nothing, making unreasonable demands, or giving you bad vibes, trust your gut.
—Kimberly Wilson, Essence, 1 Oct. 2025
Republicans argue that Democrats are making unreasonable demands on a stopgap bill that historically has served as a narrow, short-term bridge.
—Nik Popli, Time, 29 Sep. 2025
Vice President Vance, meanwhile, accused Democrats of making unreasonable demands.
—The Hill Staff, The Hill, 29 Sep. 2025
See All Example Sentences for unreasonable
Recent Examples of Synonyms for unreasonable
Adjective
-
Poetry brings hope, not an irrational optimism or wishful thinking, but a positive orientation to the future, of what a better, healthier future would look like.—
K.J.S. “Sunny” Anand,
Time,
15 Oct. 2025
-
Marks believes that investor optimism doesn’t automatically signal irrational exuberance.—
Yun Li,
CNBC,
13 Oct. 2025
Adjective
-
Let sound political prescience but take the place of an unreasoning prejudice, and this will be done.—
Frederick Douglass,
The Atlantic,
16 Aug. 2017
Adjective
-
Drawing attention to the word would usually be unwarranted.—
Literary Hub,
Literary Hub,
15 Oct. 2025
-
Illinois officials say sending troops is unwarranted and have challenged their deployment in court.—
Eduardo Cuevas,
USA Today,
11 Oct. 2025
Adjective
-
Also endangering the family name and business is a crooked deal made by Byron Hedges (Jack Gleeson), an illegitimate cousin helping Guinness expand into America, that promises 15% of all American profits to the Fenian Brotherhood.—
Lynsey Eidell,
PEOPLE,
27 Sep. 2025
-
The play’s serious depiction of class politics and illegitimate birth were considered shocking by contemporary audiences.—
Emily Zarevich,
JSTOR Daily,
11 Sep. 2025
Adjective
-
Still, the Epstein saga might have gradually faded from the national consciousness, even in spite of the widespread, unfounded belief that his 2019 suicide in a jail cell while awaiting trial was in fact a murder carried out to prevent him from implicating associates in his crimes.—
Miles Klee,
Rolling Stone,
16 Oct. 2025
-
The bull’s sheer size and the location of the hunt spawned unfounded rumors that Brooks had committed game violations.—
Natalie Krebs,
Outdoor Life,
15 Oct. 2025
Adjective
-
The baseless claims against Dominion caused one of its executives to go into hiding in 2020, and led to numerous defamation lawsuits.—
NPR Washington Desk,
NPR,
9 Oct. 2025
-
That means millions of young people remain vulnerable to a practice the nation’s leading experts have long rejected as both harmful and scientifically baseless.—
Timothy Schraeder Rodriguez,
Time,
8 Oct. 2025
Adjective
-
The claim that flu shots increase flu transmission is absurd and unsupported by evidence.—
Flavia Mangan Colgan,
San Diego Union-Tribune,
7 Oct. 2025
-
In November, O'Brady, 40, will embark on a solo, unsupported 2,000-mile ski crossing of Antarctica over 110 days.—
Bryan Alexander,
USA Today,
2 Oct. 2025
Adjective
-
China continues to dismiss the decision as invalid.—
Micah McCartney,
MSNBC Newsweek,
14 Oct. 2025
-
If any court of law, having the jurisdiction to decide on this matter, rules that any provision of these Official Rules is invalid or unenforceable, then that provision will be removed from the Official Rules without affecting the rest of the Terms.—
Vogue,
Vogue,
13 Oct. 2025
Cite this Entry
“Unreasonable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreasonable. Accessed 18 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share