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English definition of “bad”

bad

adjective (DECAYED)    /bæd/
B2 harmful to eat because of being decayed : We'd better eat this chicken before it goes bad.Not pleasant to eat or drink badness     /ˈbæd.nəs/ noun [U] the quality of being evil or morally unacceptable : There is goodness and badness in everyone.Morally wrong and evilDishonest
(Definition of bad adjective (DECAYED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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