Definition, Meaning & Synonyms

open a Pandora's box

idiom
/ˈoʊpən ə pænˈdɔːrəz bɑːks/
Definition
To start a process that leads to many unforeseen problems or complications.
Examples
  • By agreeing to that deal, you might open a Pandora’s box of issues that are hard to control.
  • He didn’t realize that his decision to investigate would open a Pandora’s box of secrets.
Meaning
This phrase originates from Greek mythology, referring to Pandora, who opened a box and released all the evils into the world. It suggests that some actions may lead to many unexpected and negative consequences.
Synonyms
  • unleash troubles
  • set off a chain reaction
  • create complications