Find Antonyms
acceptable Antonyms
Opposite of acceptable
Because the opposite of acceptable shifts with each meaning, the 14 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Able to be agreed upon, approved, or received as suitable and valid.
Usage Example
"Both parties finally reached a compromise that was unacceptable to everyone involved."
Strongest
unacceptable
unsatisfactory
Strong
inadmissible
unsuitable
objectionable
• adjective (Context 2)
Adequate or passable in quality or degree, though not outstanding.
Usage Example
"The restaurant offered inadequate service and reasonably priced meals, even if the food was unremarkable."
Strongest
inadequate
substandard
Strong
insufficient
deficient
poor
• adjective (Context 3)
Capable of being endured or borne without serious harm or objection.
Usage Example
"Engineers worked tirelessly to reduce the factory's carbon emissions to environmentally intolerable levels."
Strongest
intolerable
unbearable
insufferable
Strong
excessive
Similar words to acceptable
Words similar to acceptable shift depending on context. Common synonyms include:
satisfactory
adequate
tolerable
passable
suitable
bearable
endurable
agreeable
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Acceptable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/acceptable