the jury is/are out

the jury is out

or

the jury is still out

COMMON If you say that the jury is out or the jury is still out on a particular subject, you mean that people have not yet formed an opinion about it or reached a decision. The jury's still out on what are the long-term effects of air pollution. Specialists haven't been able to make up their minds whether hair dye is safe or not. `The jury is still out,' says Dr Venitt firmly. Note: This refers to the time when the jury in a court case retires from the court room to decide on a verdict.
See also: jury, out
Collins COBUILD Idioms Dictionary, 3rd ed.

the jury is out

a decision has not yet been reached on a controversial subject.
1998 New Scientist The jury is still out, but it looks as if there are no significant changes in the cosmic dust flux during past climate cycles.
See also: jury, out
Farlex Partner Idioms Dictionary

the jury is/are (still) ˈout (on something)

people have not yet decided if something is good or bad: No one knows whether the government’s housing policy is popular or not. The jury is still out on that until the next election. Was he a good leader? The jury is still out on that question.
The jury is a group of members of the public who listen to the facts of a case in a court of law and decide whether or not a person is guilty of a crime. They leave the courtroom to discuss the case and make their decision in secret.
See also: jury, out
Farlex Partner Idioms Dictionary
See also:
  • dynamite charge
  • bring a verdict in
  • the jury is (still) out
  • the jury is out
  • jury
  • jury is still out
  • jury is still out, the
  • come down on the side of (someone or something)
  • come down/out on the side of somebody/something
  • reasonable