ˈidiot-ˌproof BrE AmE adjective
something that is idiot-proof is so easy to use or do that even stupid people will not break it or make a mistake ⇨ foolproof :
idiot-proof instructions
ˈidiot-ˌproof BrE AmE adjective
something that is idiot-proof is so easy to use or do that even stupid people will not break it or make a mistake ⇨ foolproof :
idiot-proof instructions
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012