idiot-proof

Park employees helped John quit tobacco by way of a butts-proof glass enclosure, a drastic change in diet, and regular exercise.

Although often this is considered proof positive of guilt at trial, it is not an uncommon occurrence in false confessions.

And if you want proof of what the country is really all about, just walk through the National September 11 Memorial Museum.

They're also proof that no matter how fancy you are, you can't escape the urge to watch two girls make out.

Without proof of this kind, the story of the lost legions is just a legend.

Here convincing proof was given of Mme. Mesdag's accuracy, originality of interpretation, and her skill in the use of color.

Proof was given to him, of Elizabeth having admitted Ripperda to private political discussions in the Altheim apartments.

Wasn't the dead man stretched in the shadow convincing proof of their capacity for pure devilishness?

For my part, I scarcely know what to say; inasmuch as I do not care either to affirm or deny a thing of which I have no proof.

If I am proof against my own heart, in so dear a cause, shall I not be proof against the poor allurements of vanity and sense?