Words similar to foolproof

Example sentences for: foolproof

How can you use “foolproof” in a sentence? Here are some example sentences to help you improve your vocabulary:

This meant shelving the belief that a single, foolproof plan could be implemented once and for all.
But this is an artifice, and it is not foolproof.
Fortunately or not, though, calculation usually results in failure, and for most writers, the foolproof concept that briefly shone at conception looks like a mirage within three days at the keyboard.
If arbitrage were so simple and foolproof, why shouldn't we invest the whole trust fund in private stocks?
1: Genes are smart . People often assume that kin-selected altruism is foolproof; that a gene can magically sense copies of itself in other organisms--or, at least, can somehow ascertain with perfect accuracy which organisms are close relatives of its own host organism and thus may carry copies of itself.