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Showing results for unacceptable. Search instead for unacceptab.
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, the first American leader of the Roman Catholic Church, told journalists outside his residence in Castel Gandolfo: "Today... there was this threat against all the people of Iran, and this is truly unacceptable."

From BBC • Apr. 7, 2026

Blackmore admitted unacceptable professional conduct and/or conduct that may bring the profession into disrepute, and failing to maintain professional boundaries, on 24 March.

From BBC • Apr. 6, 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

EPA chief Lee Zeldin visited Los Angeles with the head of the Small Business Administration to address what they called unacceptable delays in granting building permits after last year’s devastating fires.

From Los Angeles Times • Apr. 3, 2026

All of the people involved in the film were equally unacceptable.

From "A Confederacy of Dunces" by John Kennedy Toole