not liable to failure; a foolproof identification system; the unfailing sign of an amateur; an unfailing test
[ Syn: unfailing ]
foolproof (adj.)
proof against human misuse or error; foolproof this appliance
[ Syn: goofproof , goof-proof ]
not liable to failure; a foolproof identification system; the unfailing sign of an amateur; an unfailing test
[ Syn: unfailing ]
proof against human misuse or error; foolproof this appliance
[ Syn: goofproof , goof-proof ]