unturned
adj. C1 Advanced US //ənˈtɝnd// UK //ʌntˈɜːnd// un·turned
adj. describing something that has not been checked or looked at. You use it when you want to say that no possible solution or place has been missed.
adj. not having been examined, checked, or searched. Often used in the phrase 'leave no stone unturned' to indicate exhaustive effort.
The detective left no stone unturned in the search for clues.
The team worked through the night to ensure every possible lead was followed and no stone was left unturned.
In the aftermath of the scandal, the committee vowed to leave no stone unturned in their investigation, scrutinizing every document and interview to find the source of the leak.