Meaning of “can of worms” in the English Dictionary

british dictionary

"can of worms" in British English

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can of worms


a situation that causes a lot of problems for you when you start to deal with it:

Corruption is a serious problem, but nobody has yet been willing to open up that can of worms.

(Definition of “can of worms” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)