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)