Meaning: The idiom "Leave no stone unturned" means to search everywhere or try every possible way to do something. It’s used when someone is doing everything they can to solve a problem, find something, or reach a goal.

Origin: The phrase comes from ancient Greece. A Greek general asked an oracle how to find a hidden treasure. The oracle told him to "leave no stone unturned" — meaning he should look under every stone to find it. Since then, it became a common expression for making a very thorough effort.

Example sentences:

Job Search context: "I left no stone unturned in my job search”

Investigation context: "The detectives left no stone unturned while solving the murder."

Academic context: "The scientist left no stone unturned in her study to make sure the results were accurate."