Meaning of the word foolproof in English

What does foolproof mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

foolproof

US /ˈfuːl.pruːf/
UK /ˈfuːl.pruːf/

Adjective

incapable of going wrong or being misused

Example:
The new system is designed to be completely foolproof.
These instructions are so clear, they're practically foolproof.