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.

Third, require mitigations when examinations reveal unacceptable risks.

From The Wall Street Journal • May 18, 2026

Rafael Grossi, the head of the UN's nuclear agency, condemned the attack and said on X that "military activity that threatens nuclear safety is unacceptable".

From Barron's • May 17, 2026

Fuel theft continues to "place a significant and unacceptable strain on fuel retailers, impacting businesses financially and placing additional demand on policing resources", according to Supt Lisa Maslen.

From BBC • May 16, 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 can assure you, the humiliation of a defeat is absolutely unacceptable to my country.”

From "Boots on the Ground: America's War in Vietnam" by Elizabeth Partridge

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