foolproof


fool·proof

adjective \ˈfül-ˌprüf\

: done, made, or planned so well that nothing can go wrong

Full Definition of FOOLPROOF

:  so simple, plain, or reliable as to leave no opportunity for error, misuse, or failure <a foolproof plan>

Examples of FOOLPROOF

  1. DNA fingerprinting gives police a virtually foolproof way to link a suspect to a crime scene.

First Known Use of FOOLPROOF

1902

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