open a Pandora's box

open (a) Pandora's box

To begin or introduce something that leads to many other problems. A reference to the story from Greek mythology in which Pandora opens a box containing all the possible things that can affect humanity negatively. It seems like we've opened Pandora's box with this topic today. We've been getting hundreds of messages from listeners from around the country who have been affected by it. Trying to fix the bug opened a Pandora's box of other issues with the computer.
See also: box, open
Farlex Dictionary of Idioms.

open a Pandora's box

COMMON If someone or something opens a Pandora's box, they do something that unintentionally causes a lot of problems, which were not known about before. The virus can throw the entire body out of balance and open a Pandora's box of health problems. An invasion of the country would open a Pandora's box which may be impossible to close. Note: You can also describe something as a Pandora's box to say that it may cause a lot of problems. The rapidly developing technology is seen by some as a Pandora's box, with almost as many problems as benefits. Note: According to Roman mythology, Prometheus offended the gods and in revenge Jupiter ordered the creation of Pandora, the first woman. Jupiter gave Pandora a box which she was to offer to the man she married. Pandora married Prometheus's brother Epimethius. He opened the box and all the problems and wickedness that now trouble the world flew out and could never be put back.
See also: box, open
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • open (a) Pandora's box
  • open Pandora's box
  • Pandora
  • Pandora's box
  • a Pandora's box
  • sow dragon's teeth
  • Procrustean solution
  • cleanse the Augean stables of (something)
  • stable
  • cleanse
References in periodicals archive
"We call on all sides to remain rational and exercise restraint, and not take any escalatory actions that irritate regional tensions, and not open a Pandora's box," Wang said.
Record labels open a Pandora's Box of copyright suits
The legislation is pending, so it remains to be seen if there is enough support in Congress to support it and open a Pandora's Box of copyright debate.
A FORMER Merseyside MP warned introducing a new Parliamentary bill to regulate newspapers would "open a Pandora's box" which could stifle freedom of speech.
[Then], the Western countries will regret Al Bashir's indictment, because it will open a Pandora's Box," Jundi continued.
"Modern genetic techniques continue to open a Pandora's box of hitherto hidden aspects of human sexual behavior," the investigators write.
Shanley, who's best known as the Oscar-winning scribe of Moonstruck, has more on his mind than "Did he or didn't he?" Although the murky conflict anchors the play, Shanley uses it to open a Pandora's box of questions about blind faith--another brand of "don't ask, don't tell"--that has kept the Catholic hierarchy in gear for so long.
Picture, SIMON HADLEY The Bishop of Lichfield will today announce his retirement after 18 years with a warning to Tony Blair that a potential war in Iraq will 'open a Pandora's box' in the Middle East.
Conservatives in Congress sought to open a Pandora's box on March 4, 1998, when the House Judiciary Committee voted sixteen to eleven to approve Representative Ernest Istook's (Republican--Oklahoma) so-called Religious Freedom Amendment.