un·​ac·​cept·​able | \ ˌən-ik-ˈsep-tə-bəl How to pronounce unacceptable (audio) , -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 How to pronounce unacceptability (audio) \ noun
unacceptably \ ˌən-​ik-​ˈsep-​tə-​blē How to pronounce unacceptably (audio) \ 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

United States officials have said for years that Huawei products pose unacceptable security risks for Americans, citing the company’s ties to Beijing and its murky ownership. New York Times, "Huawei’s New Front in the Global Technology Cold War: Australia," 19 June 2018 Excluding women from clinical research has real harms: Of the 10 drugs pulled from the market between 1997 and 2000 because of unacceptable health risks, eight of them posed greater health risks to women. Amy M. Miller, STAT, "Studying sex differences will improve health for women and men," 13 June 2018 Anadarko responded that lowering the overall value would be unacceptable. Jordan Blum, Houston Chronicle, "Oxy's pursuit of Anadarko - two years in the making," 7 June 2019 Trying to manage one of the world’s largest automakers under such conditions would be unacceptable, one of the people said. Liz Alderman, New York Times, "How France’s Intrusive Demands Quashed the Fiat-Renault Deal," 6 June 2019 That is unacceptable, especially at a time when gun violence is traumatizing families and entire communities. Jeff Coen, chicagotribune.com, "Rahm Emanuel closed half of Chicago's mental health clinics. What was the impact — and will Lightfoot reopen them?," 6 June 2019 To clearly state that harassment toward digital assistants is unacceptable would mean having some standard, some line that can’t be crossed. Noam Cohen, WIRED, "Why Siri and Alexa Weren’t Built to Smack Down Harassment," 6 June 2019 Average people, with mothers and women at the forefront, stood up to say that this was unacceptable. Glamour, "Untold Numbers of Mothers Separated From Their Children Will Spend Mother’s Day Alone," 10 May 2019 That would entail customs checks between Northern Ireland and the rest of the U.K., an outcome Mrs. May has called unacceptable. Stephen Fidler, WSJ, "With Six Months to Brexit, EU Sees Theresa May’s Plan as a Threat," 16 Sep. 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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Statistics for unacceptable

Last Updated

24 Jun 2019

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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



English Language Learners Definition of unacceptable

: not pleasing or welcome : not acceptable


un·​ac·​cept·​able | \ ˌən-ik-ˈsep-tə-bəl How to pronounce unacceptable (audio) , -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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