foolproof
adjective
fool·proof
ˈfül-ˌprüf 
: so simple, plain, or reliable as to leave no opportunity for error, misuse, or failure
a foolproof plan
Examples of foolproof in a Sentence
DNA fingerprinting gives police a virtually foolproof way to link a suspect to a crime scene.
Recent Examples on the Web
Potted plants are a foolproof way to introduce color and personality to your home exterior.
—
Sophie Flaxman, Better Homes & Gardens, 11 June 2025
Yes, good old paper is the best and only way to have foolproof elections.
—New York Daily News Editorial Board, New York Daily News, 29 May 2025
But maybe throwing your script into a pit of other scripts in the hopes of earning someone’s attention was never a foolproof strategy.
—Harrison Richlin, IndieWire, 6 May 2025
But fear not—Vogue has a foolproof guide for nailing a beach wedding.
—Christian Allaire, Vogue, 28 Apr. 2025
See All Example Sentences for foolproof
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Sophie Flaxman, Better Homes & Gardens, 11 June 2025
Yes, good old paper is the best and only way to have foolproof elections.
—New York Daily News Editorial Board, New York Daily News, 29 May 2025
But maybe throwing your script into a pit of other scripts in the hopes of earning someone’s attention was never a foolproof strategy.
—Harrison Richlin, IndieWire, 6 May 2025
But fear not—Vogue has a foolproof guide for nailing a beach wedding.
—Christian Allaire, Vogue, 28 Apr. 2025
See All Example Sentences for foolproof
Cite this Entry
“Foolproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foolproof. Accessed 17 Jun. 2025.
Copy CitationKids Definition
foolproof
adjective
fool·proof
ˈfül-ˈprüf
: done, made, or planned so well that nothing can go wrong
foolproof directions
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