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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.

Now Huffington jokes that she has a foolproof plan to ensure that the Knicks will clinch their first championship in 53 years on Saturday night in San Antonio.

From The Wall Street Journal • Jun. 11, 2026

That isn’t to say the system is foolproof.

From Los Angeles Times • May 7, 2026

Kelly is no foolproof indicator of where the right is headed; she bet against Trump, after all.

From Slate • May 6, 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

Yolanda: My dad sez he’s waiting to find one that’s foolproof.

From "Among the Hidden" by Margaret Peterson Haddix




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