Overview of verb foolproof

The verb foolproof has 1 sense

• goofproof, goof-proof, foolproof -- (proof against human misuse or error; "foolproof this appliance")

Overview of adj foolproof

The adj foolproof has 1 sense

• foolproof, unfailing -- (not liable to failure; "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test")