unconscionable

adjective

un·​con·​scio·​na·​ble ˌən-ˈkän(t)-sh(ə-)nə-bəl How to pronounce unconscionable (audio)
Synonyms of unconscionablenext
1
a
: shockingly unfair or unjust
unconscionable sales practices
an unconscionable provision in the contract
b
: excessive, unreasonable
found an unconscionable number of defects in the car
2
: not guided or controlled by conscience : unscrupulous
an unconscionable villain
unconscionableness noun
unconscionably adverb

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When Do You Use unconscionable?

Something that can't be done in good conscience is unconscionable, and such acts can range from betraying a confidence to mass murder. For a five-syllable word, unconscionable is actually quite common. This is partly because it isn't always used very seriously; so, for example, a critic is free to call a fat new book "an unconscionable waste of trees". In law, an unconscionable contract is one that, even though it was signed by both parties, is so ridiculous that a judge will just throw it out.

Examples of unconscionable in a Sentence

They have had to endure unconscionable delays. an unconscionable number of errors for an important government report
Recent Examples on the Web
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.
This is a bad idea on many fronts and would be an unconscionable move in 2027, just three years after the four-team Playoff tripled to 12. Joe Rexrode, New York Times, 21 May 2026 Indeed, in 1962 the Indian Claims Commission found the consideration paid under the Brunot Agreement so inadequate as to be unconscionable. Shaun Chapoose, Denver Post, 20 May 2026 New York requires that agreements must be in writing, signed and notarized as a deed of property and that the agreement was not unconscionable at the time of signing. Patricia Fersch, Forbes.com, 19 May 2026 The mobile park owners had argued the proposal was harsh and unconscionable. Ginny Monk, Hartford Courant, 9 May 2026 See All Example Sentences for unconscionable

Word History

First Known Use

1565, in the meaning defined at sense 2

Time Traveler
The first known use of unconscionable was in 1565

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Cite this Entry

“Unconscionable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unconscionable. Accessed 21 May. 2026.

Kids Definition

unconscionable

adjective
un·​con·​scio·​na·​ble ˌən-ˈkänch-(ə-)nə-bəl How to pronounce unconscionable (audio)
1
: not guided or controlled by conscience
an unconscionable villain
2
: not being in agreement with what is right or just : unreasonable, excessive
unconscionably adverb

Legal Definition

unconscionable

adjective
un·​con·​scio·​na·​ble ˌən-ˈkän-chə-nə-bəl How to pronounce unconscionable (audio)
: unreasonably unfair to one party, marked by oppression, or otherwise unacceptably offensive to public policy
an unconscionable clause
finds the contract…to have been unconscionable at the time it was madeUniform Commercial Code
compare conscionable
unconscionably adverb

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