Webster's Revised Unabridged Dictionary · 1913

goofproof

goofproof , adjective

such as will function properly even if treated badly or ineptly; foolproof; -- of devices, plans, recipes, etc.; as, nothing running under Windows is completely goofproof.

goofproof , transitive verb

To design (a device or plan of action) so that it will function properly even if treated badly or executed ineptly; foolproof.