Synonyms of foolproof


1. goofproof, goof-proof, foolproof, proof

usage: proof against human misuse or error; "foolproof this appliance"


1. foolproof, unfailing, infallible (vs. fallible)

usage: not liable to failure; "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test"

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Definition and meaning of foolproof (Dictionary)