Found 2 items, similar to unacceptably.
English → English (WordNet) Definition: unacceptably unacceptably adv : to an unacceptable degree; “The percentage of lead in our drinking water is unacceptably high” [syn: intolerably] [ant: acceptably, acceptably]
English → English (gcide) Definition: Unacceptably Unacceptable \Un`ac*cept"a*ble\, a. Not acceptable; not pleasing; not welcome; unpleasant; disagreeable; displeasing; offensive. -- Un`ac*cept"a*ble*ness, n. -- Un`ac*cept"a*bly, adv. [1913 Webster]