unacceptable

adjective

un·​ac·​cept·​able ˌən-ik-ˈsep-tə-bəl How to pronounce unacceptable (audio)
-ak-
: not acceptable : not pleasing or welcome
unacceptability noun
unacceptably adverb

Examples of unacceptable in a Sentence

a word that is unacceptable in formal English Some of her ideas were unacceptable to other people.
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.
Forcing Americans and small independent American companies to rely on those same tools is an unacceptable outcome of domestic legislation. Emma Woollacott, Forbes.com, 7 Apr. 2025 Defense stocks were once considered socially unacceptable investments, but fund managers are slowly changing tack as the sector has rallied in recent years. Sawdah Bhaimiya, CNBC, 7 Apr. 2025 But what makes this crisis even more unacceptable is that these outcomes are both preventable and addressable at scale. Chicago Tribune, 6 Apr. 2025 And it should be considered unacceptable for politicians to blindside a company for punishment because of its CEO’s political proclivities. New York Daily News Editorial Board, New York Daily News, 6 Apr. 2025 See All Example Sentences for unacceptable

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unacceptable was in the 15th century

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Cite this Entry

“Unacceptable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unacceptable. Accessed 13 Apr. 2025.

Kids Definition

unacceptable

adjective
un·​ac·​cept·​able ˌən-ik-ˈsep-tə-bəl How to pronounce unacceptable (audio)
-ak-
: not acceptable : not pleasing or welcome
unacceptably adverb

More from Merriam-Webster on unacceptable

Last Updated: - Updated example sentences
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