Definition of Pandora’s box noun from the Oxford Advanced Learner's Dictionary


Pandora’s box

BrE BrE//pænˌdɔːrəz ˈbɒks//
; NAmE NAmE//pænˌdɔːrəz ˈbɑːks//
[singular, uncountable]
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a process that, if started, will cause many problems This court case could open a Pandora's box of similar claims. More Like This Expressions from history and legend Achilles heel, Cinderella, Herculean, Mephistophelian, Midas touch, narcissism, odyssey, Prince Charming, Procrustean, Promethean, Pyrrhic, Robin Hood, Scylla and Charybdis, Sleeping Beauty, Stygian, TitanSee worksheet. From the Greek myth in which Pandora was created by the god Zeus and sent to the earth with a box containing many evils. When she opened the box, the evils came out and infected the earth.
See the Oxford Advanced American Dictionary entry: Pandora’s box