foolproof

Verb	1.	foolproof - proof against human misuse, error, etc.; "Foolproof this appliance" goof-proof, goofproof proof - make resistant to water, sound, errors, etc.; "proof the materials against shrinking in the dryer"
Adj.	1.	foolproof - not liable to failure; "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test" unfailing infallible - incapable of failure or error; "an infallible antidote"; "an infallible memmory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible"

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