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.

On Friday, authorities described the tank exploding or rupturing as the only possible outcomes, but on Saturday Covey said: "Letting this thing just fail and blow up is unacceptable."

From Barron's • May 23, 2026

That is, of course, totally improper and unacceptable.

From Slate • May 22, 2026

Speakers at Tuesday’s rally argued this was unacceptable.

From Los Angeles Times • May 20, 2026

Third, require mitigations when examinations reveal unacceptable risks.

From The Wall Street Journal • May 18, 2026

That was the reason why Matanzima wanted to visit, and the reason such a visit was unacceptable.

From "Long Walk to Freedom" by Nelson Mandela

Vocabulary lists containing unacceptable

We're not asking, we're demanding: Vocabulary from "Selma," the movie

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unacceptable

Example Sentences

Related Words

Vocabulary lists containing unacceptable

We're not asking, we're demanding: Vocabulary from "Selma," the movie