Antonyms of adj unexceptionable

1 sense of unexceptionable

Sense 1
unexceptionable, unimpeachable -- (completely acceptable; not open to exception or reproach; "two unexceptionable witnesses"; "a judge's ethics should be unexceptionable")

INDIRECT (VIA acceptable) -> unacceptable -- (not acceptable; not welcome; "a word unacceptable in polite society"; "an unacceptable violation of personal freedom")

Similarity of adj unexceptionable

1 sense of unexceptionable

Sense 1
unexceptionable, unimpeachable -- (completely acceptable; not open to exception or reproach; "two unexceptionable witnesses"; "a judge's ethics should be unexceptionable")
       => acceptable (vs. unacceptable) -- (worthy of acceptance or satisfactory; "acceptable levels of radiation"; "performances varied from acceptable to excellent")