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.

He had labelled the Iranian counter to US proposals "totally unacceptable".

From BBC • May 17, 2026

The police response should have been that it was "unacceptable", he told Radio 4's Today programme.

From BBC • May 16, 2026

US officials have stressed it would be "unacceptable" for Tehran to control the strait, which usually carries about a fifth of the world's oil and natural gas.

From Barron's • May 12, 2026

Oil and Treasury yields rose after President Trump said Iran’s response to a U.S. proposal to end the conflict was unacceptable.

From The Wall Street Journal • May 11, 2026

I said it was unacceptable for Mr. de Klerk to speak to us in such language.

From "Long Walk to Freedom" by Nelson Mandela

Vocabulary lists containing unacceptable

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

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

unacceptable

Example Sentences

Related Words

Vocabulary lists containing unacceptable

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