go bad

idiom

Definition of go bad

: to no longer be fresh enough to eat or drink : to become spoiled Is the milk still good or has it gone bad?

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Cite this Entry

“Go bad.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/go%20bad. Accessed 11 December 2019.

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