Definition of "go bad" []

Of foods and commodities, to spoil, rot, or otherwise become unusable due to age or storage conditions. (verb)
Of a person or entity, to cease to be reputable and instead become delinquent, criminal, or poorly behaved. (verb)
Of a geographic area, to become unsafe. (verb)

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Use "go bad" in a sentence

"He was never absolutely certain, because strictly speaking the codicil indicated that he should have allowed the milk in the ice-box to go bad and the moths to get into the carpets, but he decided that protecting the client's assets allowed for a degree of flexibility."

Words like "go bad"

break change die

fail go spoil

conk out give out give way

break down