unreasonable
Americanadjective
-
not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational.
an unreasonable person.
-
not in accordance with practical realities, as attitude or behavior; inappropriate.
His Bohemianism was an unreasonable way of life for one so rich.
- Synonyms:
- nonsensical, stupid, absurd, preposterous, silly, foolish, senseless
-
excessive, immoderate, or exorbitant; unconscionable.
an unreasonable price; unreasonable demands.
- Synonyms:
- extravagant
-
not having the faculty of reason.
adjective
-
immoderate; excessive
unreasonable demands
-
refusing to listen to reason
-
lacking reason or judgment
Other Word Forms
- unreasonableness noun
- unreasonably adverb
Etymology
Origin of unreasonable
First recorded in 1300–50, unreasonable is from the Middle English word unresonabel. See un- 1, reasonable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"I think the doctors did their best," Dr Cartwright said, adding it was "not unreasonable" for rabies to not be considered in the first few days.
From BBC
Festival organisers said the proposed limit was "an upper band, not a target" and there was "no scenario" in which levels would be intentionally increased to cause unreasonable disturbance.
From BBC
This was hardly unreasonable; 23 nations operate nuclear power programs by importing enriched uranium.
How should brands deal with negative comments or feedback, especially if the insults seem unjustified or unreasonable?
California’s elderly parole program generally considers the release of prisoners who are older than 50 and have been incarcerated for at least 20 continuous years, considering whether someone poses an unreasonable risk to public safety.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
