FAQs About the word foolproof

foolproof

proof against human misuse or error, not liable to failure

flawless,perfect,reliable,certain,Infallible,sure,unerring,unfailing,reliable,Errorless

defective,faulty,flawed,imperfect,unreliable,fallible,undependable

fool-large => Big fool, fooling => taking the piss, foolify => fool, fool-hasty => foolhardy, foolhardy => foolhardy,