unturned

adj

1. (not-comparable, usually)Not turned.

   “[W]oman's loveliness had heretofore been an unturned page in the young man's life.”

   ““This case of police torture and murder is shocking. But this is not the first case and it is unlikely to be the last case until and unless the police conduct serious interrogations and investigations and leave no stones unturned,” said Sunai Phasuk, a senior researcher for Human Rights Watch.”