Thesaurus.com
Dictionary.com
Showing results for foolproof. Search instead for oilproo.
Definitions

foolproof

[fool-proof] / ˈfulˌpruf /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Jets also offer a reminder that this isn’t a foolproof blueprint.

From The Wall Street Journal • Mar. 9, 2026

Within months, the scam had become so foolproof, the government said, that in April 2023, Hennen reassured a co-schemer by sending a text message.

From The Wall Street Journal • Jan. 15, 2026

For the people on your list who warrant a little extra effort — and perhaps a slightly expanded budget — I offer a reliably foolproof formula: one handmade element, paired with one small store-bought companion.

From Salon • Dec. 23, 2025

A government-funded, industry-run trial looked at the main methods of age assurance and earlier this year reported all were technically possible – but none were foolproof and all carried risks.

From BBC • Dec. 6, 2025

“I may be a terrible man,” Count Olaf said, “but I have been able to concoct a foolproof way of getting your fortune, which is more than you’ve been able to do.”

From "The Bad Beginning" by Lemony Snicket




Vocabulary lists containing foolproof