Meaning of the word leave-no-stone-unturned in English

What does leave-no-stone-unturned mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

leave-no-stone-unturned

Idiom

to do everything you can to achieve a good result, especially when looking for something:

Example:
He left no stone unturned in his search for his natural mother.