Can of Worms

What Does "Can of Worms" Mean?

"Can of worms" is an English idiom. It means "a situation that, once started, is likely to become problematic or have adverse consequences."

Here are three examples of the idiom "can of worms" used in a sentence:

I think we opened a can of worms with this new policy.
Discussing that topic is like opening a can of worms.
I didn't realize that bringing up the past mistakes would be such a can of worms.

You now know what "can of worms" means, but are you good at English idioms? Let's see!

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