foolproof

fool·proof

adj \ˈfül-ˌprüf\

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

Rhymes with FOOLPROOF

aloof, behoof, bombproof, childproof, crushproof, disproof, fireproof, flameproof, forehoof, germproof, greaseproof, heatproof, hip roof, leakproof, lightproof, moonroof, mothproof, pickproof, rainproof, reproof, rustproof, shadoof, shellproof, shockproof, skidproof, soundproof, stainproof, sunroof, Tartuffe, unroof, windproof, witloof