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
This threshold is 50 times higher than what the EPA found to be an unacceptable level of risk just last year.
—
Peter Blair, Baltimore Sun, 21 Feb. 2026
Many view a foreign military invasion as unacceptable, while anger over the killing of young protesters continues to fuel domestic tensions and uncertainty.
—Efrat Lachter, FOXNews.com, 20 Feb. 2026
If there's no sanction from within either party, within community members, to say, 'This is unacceptable in our politics,' then that behavior will continue.
—Jacob Rosen, CBS News, 19 Feb. 2026
That is completely unacceptable.
—Howard Blume, Los Angeles Times, 18 Feb. 2026
See All Example Sentences for unacceptable
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Peter Blair, Baltimore Sun, 21 Feb. 2026
Many view a foreign military invasion as unacceptable, while anger over the killing of young protesters continues to fuel domestic tensions and uncertainty.
—Efrat Lachter, FOXNews.com, 20 Feb. 2026
If there's no sanction from within either party, within community members, to say, 'This is unacceptable in our politics,' then that behavior will continue.
—Jacob Rosen, CBS News, 19 Feb. 2026
That is completely unacceptable.
—Howard Blume, Los Angeles Times, 18 Feb. 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 23 Feb. 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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