Words · Familiar
foolproof
/ˈfulpˌɹuf/ · 9 letters · 5 distinct letters
- adjective
not liable to failure
a foolproof identification system
- verb
proof against human misuse or error
foolproof this appliance
Words · Familiar
/ˈfulpˌɹuf/ · 9 letters · 5 distinct letters
not liable to failure
a foolproof identification system
proof against human misuse or error
foolproof this appliance