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



Next Word in the Dictionary: fools
Previous Word in the Dictionary: foolometer
All Words Near: foolproof

Seen & Heard

What made you want to look up foolproof? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More