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 Physically impeding other employees’ work and preventing them from accessing our facilities is a clear violation of our policies, and completely unacceptable behavior. Mithil Aggarwal, NBC News, 18 Apr. 2024 Their behavior was unacceptable, extremely disruptive, and made coworkers feel threatened. Alex Heath, The Verge, 18 Apr. 2024 See all Example Sentences for unacceptable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unacceptable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near unacceptable

Cite this Entry

“Unacceptable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unacceptable. Accessed 3 May. 2024.

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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