jury

the jury is (still) out

if the jury is still out on a subject, no decision has been made or the answer is not yet certain. The jury's still out on whether animal experiments are really necessary. (usually + on) We asked people to comment on the latest male fashions, but it seems the jury's out.

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the jury is still out

no decision has been made, esp. because information is lacking. The jury is still out on whether those particular chemicals pose a threat to public health.

See also: still