1. dummy-proof - Adjective
2. dummy-proof - Verb
dummy-proof (comparative more dummy-proof, superlative most dummy-proof)
(informal, humorous) Incapable of being misused even by the stupidest or most careless of users.
dummy-proof (third-person singular simple present dummy-proofs, present participle dummy-proofing, simple past and past participle dummy-proofed)
(transitive) To render something dummy-proof.
I dummy-proofed the operations.