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English definition of “unacceptable”

unacceptable

adjective     /ˌʌnəkˈseptəbl/
B2 too bad to be allowed to continue: The water contains unacceptable levels of pollution. I find that sort of behaviour completely unacceptable.Not good enough
unacceptably adverb
(Definition of unacceptable adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “unacceptable” in other dictionaries

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