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English definition of “off”

off

adjective [after verb] (BAD)    /ɒf/ US  /ɑːf/
B2 (of food and drink) no longer fresh or good to eat or drink because of being too old: This milk smells off. I'd better eat this cheese before it goes off.Not pleasant to eat or drink
(Definition of off adjective (BAD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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