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 unacceptable (audio) \ noun
unacceptably \ ˌən-​ik-​ˈsep-​tə-​blē How to pronounce unacceptable (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 Judge Jack Gutman said that was unacceptable and rescheduled the case for next month. NBC News, "Judge nixes plea deal for two accused of running on Super Bowl field," 28 Apr. 2021 The mayor said while police have made progress in lower all other forms of crime, gun violence still goes on at a rate that is unacceptable. Carol Robinson | Crobinson@al.com, al, "Gun criminals in Birmingham will be ‘outmanned, out-resourced, outworked,’ Jefferson County leaders vow," 23 Apr. 2021 The jury in Minnesota served notice that police brutality is unacceptable and people will be held accountable for their actions. Safid Deen, sun-sentinel.com, "Dolphins’ Chris Grier, one of five Black NFL GMs, shares relief, sadness following Chauvin verdict," 21 Apr. 2021 The human and economic toll caused by dirty air and water in the richest and most powerful country in the world is unacceptable. Steve Melink, Forbes, "HOW TO COMPETE WITH EUROPE AND CHINA ON INFRASTRUCTURE," 20 Apr. 2021 This, however, contradicted the transcripts of their conversations; in their last car ride, Siraj told Eldawoody that killing people was unacceptable. New York Times, "He Was Convicted of a Bombing Plot. Was It a Setup?," 15 Apr. 2021 Gaby Hernandez, who serves as the executive director for the Long Beach Immigrant Rights Coalition, said children sleeping on the floor behind chain-link fences in holding facilities along the border was unacceptable. Cindy Carcamo Staff Writer, Los Angeles Times, "Long Beach wants to help Biden house immigrant children. But are city leaders ready?," 15 Apr. 2021 But the most populated state is lagging the rest of the country — and in some cases offering options that parents say are unacceptable. Fox News, "California’s schools lag in reopening push," 14 Apr. 2021 But the risk was unacceptable and the vaccine was withdrawn. Matthew Herper, STAT, "Why would a Covid vaccine cause rare blood clots? Researchers have found clues," 13 Apr. 2021

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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Time Traveler for unacceptable

Time Traveler

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

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Statistics for unacceptable

Last Updated

3 May 2021

Cite this Entry

“Unacceptable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unacceptable. Accessed 11 May. 2021.

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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

Comments on unacceptable

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