adjective
describes something that is designed or constructed to be incapable of going wrong or being misused
-
The new software program comes with a foolproof security system to protect sensitive data.
-
Follow this recipe step by step, it's foolproof and you'll end up with a delicious meal.
-
This shortcut I found is foolproof, you can't mess it up.
-
She believed her plan was foolproof, but there were still potential risks involved.