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.
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unacceptably
adv : to an unacceptable degree; "The percentage of lead in our
drinking water is unacceptably high" [syn: intolerably]
[ant: acceptably, acceptably]