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Showing results for unacceptable. Search instead for unacceptabil.
Definitions

unacceptable

ADJECTIVE
not suitable or satisfactory
Synonyms
STRONGEST
distasteful improper inadmissible objectionable offensive repugnant undesirable unsatisfactory
WEAK
below par damaged disagreeable displeasing exceptionable half-baked ill-favored insupportable lousy not up to snuff obnoxious reject unappealing uninviting unpleasant unwanted unwelcome won't do
Antonyms
STRONGEST
acceptable agreeable appropriate good nice pleasant pleasing
WEAK
OK desirable satisfactory suitable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Pope Leo XIV said such threats were "unacceptable".

From BBC • Apr. 7, 2026

But Tehran on Friday rejected mediated efforts to negotiate an end to the war, saying U.S. demands are unacceptable.

From The Wall Street Journal • Apr. 5, 2026

But the recent surge has prompted criticism from influential rabbis, settler leaders and even military chief Lieutenant General Eyal Zamir, who described the attacks as "morally and ethically unacceptable".

From Barron's • Apr. 2, 2026

The mayor, Benoit Payan, said that signing Greenwood was "unacceptable" and he did not want the club "to be covered in shame".

From BBC • Mar. 31, 2026

Joint authorship of the results, if any, of the collaboration was for some reason unacceptable.

From "Cosmos" by Carl Sagan