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Showing results for unacceptable. Search instead for unacceptable/3.
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.

"There was completely unacceptable behaviour from a proportion of fans both before and after the match, at what should have been an enjoyable and safe event for all attending," she said, in a statement.

From BBC • Apr. 4, 2026

Velasco referred to the deaths as “absolutely painful, heartbreaking, and of course, also absolutely unacceptable to the Mexican government.”

From Los Angeles Times • Mar. 30, 2026

"This form of AI use is harmful and unacceptable," the Vitiligo Society told AFP.

From Barron's • Mar. 27, 2026

“This is unacceptable blackmail,” said Christophe Grudler, a centrist member of the European Parliament.

From The Wall Street Journal • Mar. 27, 2026

“That doesn’t sound like them. You saw them out your window? I see. I will definitely talk with them. That is completely unacceptable, and I’m very sorry.”

From "The Vanderbeekers of 141st Street" by Karina Yan Glaser

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.