unacceptable

adjective
un·​ac·​cept·​able | \ˌən-ik-ˈsep-tə-bəl, -ak-\

Definition of unacceptable 

: not acceptable : not pleasing or welcome

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Other Words from unacceptable

unacceptability \ˌən-​ik-​ˌsep-​tə-​ˈbi-​lə-​tē \ noun
unacceptably \ˌən-​ik-​ˈsep-​tə-​blē \ 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

Whatever the reason, the words and action are unacceptable. Teen Vogue, "New Mexico Teacher Accused of Calling a Native Student a "Bloody Indian" and Cutting Another's Hair on Halloween," 3 Dec. 2018 Inappropriate behavior that challenges our values or violates our policies is unacceptable — and will not be tolerated. Chavie Lieber, Vox, "Under Armour won’t let employees expense “adult entertainment,” limos, or gambling anymore," 7 Nov. 2018 Imagine a neighbor idling a Harley—tolerable in a rural environment but unacceptable in a tight city lot. David Agrell, Popular Mechanics, "Should You Buy a Standby Generator?," 11 Sep. 2018 And that’s just unacceptable for government to be operating this way. Bruce Schreiner, The Seattle Times, "Kentucky cuts vision, dental care for up to 460,000 people," 2 July 2018 Trump’s daily lack of civility has provoked responses that are predictable but unacceptable. Solomon Jones, Philly.com, "Maxine Waters deserves better from her party | Solomon Jones," 27 June 2018 Trump's daily lack of civility has provoked responses that are predictable but unacceptable. Author: Felicia Sonmez, Robert Costa, Anchorage Daily News, "Feud over civility in politics escalates amid Trump insults," 26 June 2018 Trump’s daily lack of civility has provoked responses that are predictable but unacceptable. Benjamin Hart, Daily Intelligencer, "Nancy Pelosi Rebukes Maxine Waters for Endorsing Harassment of Trump Officials," 25 June 2018 Trump’s daily lack of civility has provoked responses that are predictable but unacceptable. Abby Gardner, Glamour, "Trump's 'Be Careful' Tweet Prompts Calls of Security for Maxine Waters," 25 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unacceptable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unacceptable

15th century, in the meaning defined above

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Last Updated

9 Dec 2018

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Time Traveler for unacceptable

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

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More Definitions for unacceptable

unacceptable

adjective

English Language Learners Definition of unacceptable

: not pleasing or welcome : not acceptable

unacceptable

adjective
un·​ac·​cept·​able | \ˌən-ik-ˈsep-tə-bəl, -ak-\

Kids Definition of unacceptable

: not pleasing or welcome : not acceptable unacceptable behavior

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Comments on unacceptable

What made you want to look up unacceptable? Please tell us where you read or heard it (including the quote, if possible).

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