Antonyms of adj acceptable

4 senses of acceptable

Sense 1
acceptable (vs. unacceptable) -- (worthy of acceptance or satisfactory; "acceptable levels of radiation"; "performances varied from acceptable to excellent")

unacceptable (vs. acceptable) -- (not acceptable; not welcome; "a word unacceptable in polite society"; "an unacceptable violation of personal freedom")
        => exceptionable, objectionable -- (liable to objection or debate; used of something one might take exception to; "a thoroughly unpleasant highly exceptionable piece of writing"; "found the politician's views objectionable")

Sense 2
acceptable -- (judged to be in conformity with approved usage; "acceptable English usage")

INDIRECT (VIA standard) -> nonstandard -- (not conforming to the language usage of a prestige group within a community; "a nonstandard dialect is one used by uneducated speakers or socially disfavored groups"; "the common core of nonstandard words and phrases in folk speech"- A.R.Dunlap)

Sense 3
satisfactory, acceptable -- (meeting requirements; "the step makes a satisfactory seat")

INDIRECT (VIA good) -> bad -- (having undesirable or negative qualities; "a bad report card"; "his sloppy appearance made a bad impression"; "a bad little boy"; "clothes in bad shape"; "a bad cut"; "bad luck"; "the news was very bad"; "the reviews were bad"; "the pay is bad"; "it was a bad light for reading"; "the movie was a bad choice")

Sense 4
acceptable -- (adequate for the purpose; "the water was acceptable for drinking")

INDIRECT (VIA fit) -> unfit -- (below the required standards for a purpose; "an unfit parent"; "unfit for human consumption")

Similarity of adj acceptable

4 senses of acceptable

Sense 1
acceptable (vs. unacceptable) -- (worthy of acceptance or satisfactory; "acceptable levels of radiation"; "performances varied from acceptable to excellent")
       => bankable -- (acceptable to or at a bank; "bankable funds")
       => unexceptionable, unimpeachable -- (completely acceptable; not open to exception or reproach; "two unexceptionable witnesses"; "a judge's ethics should be unexceptionable")
       => unobjectionable -- (not objectionable; "the ends are unobjectionable; it's the means that one can't accept")
          Also See-> satisfactory#1

Sense 2
acceptable -- (judged to be in conformity with approved usage; "acceptable English usage")
       => standard (vs. nonstandard), received -- (conforming to the established language usage of educated native speakers; "standard English" (American); "received standard English is sometimes called the King's English" (British))

Sense 3
satisfactory, acceptable -- (meeting requirements; "the step makes a satisfactory seat")
       => good (vs. bad) -- (having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office")

Sense 4
acceptable -- (adequate for the purpose; "the water was acceptable for drinking")
       => fit (vs. unfit) -- (meeting adequate standards for a purpose; "a fit subject for discussion"; "it is fit and proper that you be there"; "water fit to drink"; "fit for duty"; "do as you see fit to")