English Reference
Idiom idiom

can of worms


A complex, troublesome situation arising when a decision or action produces considerable subsequent problems.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

“Don't ask about his divorce — it's a can of worms.”

CONTEXTUAL

“The manager tried to fix the scheduling issue, but it opened a whole can of worms.”

COMPLEX

“What seemed a minor audit discrepancy soon became a can of worms, revealing years of mismanagement and hidden debts.”


Related idioms2entries
  1. 01

    worm food

    One or more corpses, especially in a state of decay; remains.

  2. 02

    worm turns

    Circumstances change so that a previously disadvantaged party gains the advantage, or vice-versa.

Last updated August 10, 2026