Can of worms

Definition & Meaning of "can of worms"

can of worms

PHRASE

something that when someone tries to deal with it causes many problems

Idiom

Informal

What is the origin of the idiom "can of worms" and when to use it?

The idiom "can of worms" originated from the practice of fishing using live bait, where worms were commonly stored in cans. Opening a can of worms refers to a situation or topic that, once introduced or addressed, leads to a complex and troublesome set of problems or difficulties. It is used to suggest that by delving into a particular issue, one is likely to encounter a multitude of interconnected and challenging issues that can be difficult to resolve.

Example

The legal case became a can of worms when new evidence emerged, leading to further complications and delays in the trial.

The decision to renovate the old building seemed simple at first, but it quickly turned into a can of worms when structural issues and historical preservation concerns arose.

The investigation into the company's financial records opened a can of worms, revealing widespread corruption and fraudulent activities.

When the politician made an innocent remark about immigration, it unexpectedly opened a can of worms as the public debate became heated and divisive.

Sarah regretted asking her friends about their opinions on a controversial subject, as it unleashed a can of worms with passionate arguments and differing viewpoints.