The AI-powered English dictionary
comparative more foolproof, superlative most foolproof
(of a device) Protected against, or designed to be proof against, misuse or error. examples
(of an idea or plan) Certain to succeed in all eventualities, or claimed to be so; infallible. examples
third-person singular simple present foolproofs, present participle foolproofing, simple past and past participle foolproofed
(transitive) To render foolproof. examples