FOOLPROOF


Meaning of FOOLPROOF in English

fool ‧ proof /ˈfuːlpruːf/ BrE AmE adjective

a foolproof method, plan, system etc is certain to be successful SYN infallible :

a foolproof way of preventing credit card fraud

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.