unacceptable
adjective
un·ac·cept·able
ˌən-ik-ˈsep-tə-bəl 
-ak-
: not acceptable : not pleasing or welcome
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
California officials announced two everyday air contaminants — acrolein and ethylene oxide — may be over 10 times more carcinogenic than benzene, posing unacceptable cancer risks to the state’s residents.
—
Los Angeles Times, 14 May 2026
For Texas to be party to the inhumane treatment of vulnerable people is unacceptable to me.
—Eleanor Dearman, Fort Worth Star-Telegram, 14 May 2026
For a city in the grip of a housing crisis, that delay was unacceptable.
—Michelle De La Uz, New York Daily News, 13 May 2026
Bans on unacceptable-risk AI have applied since February 2025, according to the European Commission.
—Chas Newkey-Burden, TheWeek, 11 May 2026
See All Example Sentences for unacceptable
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Los Angeles Times, 14 May 2026
For Texas to be party to the inhumane treatment of vulnerable people is unacceptable to me.
—Eleanor Dearman, Fort Worth Star-Telegram, 14 May 2026
For a city in the grip of a housing crisis, that delay was unacceptable.
—Michelle De La Uz, New York Daily News, 13 May 2026
Bans on unacceptable-risk AI have applied since February 2025, according to the European Commission.
—Chas Newkey-Burden, TheWeek, 11 May 2026
See All Example Sentences for unacceptable
Cite this Entry
“Unacceptable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unacceptable. Accessed 17 May. 2026.
Copy CitationKids Definition
unacceptable
adjective
un·ac·cept·able
ˌən-ik-ˈsep-tə-bəl
-ak-
: not acceptable : not pleasing or welcome
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