'Unturned' definitions:

Definition of 'unturned'

(from WordNet)
adjective
Not turned; "left no stone unturned" [ant: turned]

Definition of 'Unturned'

From: GCIDE
  • Unturned \Un*turned"\, a. [Pref. un- + turned.] Not turned; not revolved or reversed. [1913 Webster]
  • To leave no stone unturned, to leave nothing untried for accomplishing one's purpose. [1913 Webster]
  • [He] left unturned no stone To make my guilt appear, and hide his own. --Dryden. [1913 Webster]