as in perfect
done, made, or planned so well that nothing can go wrong
a foolproof plan DNA fingerprinting gives police a virtually foolproof way to link a suspect to a crime scene.
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Recent Examples of foolproof
Ultrasounds, though highly accurate, are not foolproof.
—
Daniella Gray, MSNBC Newsweek, 1 Sep. 2025
But, there are some foolproof ways to choose a sensory-friendly paint color.
—Shivani Vyas, Better Homes & Gardens, 27 Aug. 2025
But forgetting is foolproof if your water bottle is always slung around your neck.
—Anna Fiorentino, Travel + Leisure, 21 Aug. 2025
Picking out problem areas on a schedule is not a foolproof exercise, but there will always be a few places on the calendar that stand out.
—Eric Nehm, New York Times, 15 Aug. 2025
See All Example Sentences for foolproof
Daniella Gray, MSNBC Newsweek, 1 Sep. 2025
But, there are some foolproof ways to choose a sensory-friendly paint color.
—Shivani Vyas, Better Homes & Gardens, 27 Aug. 2025
But forgetting is foolproof if your water bottle is always slung around your neck.
—Anna Fiorentino, Travel + Leisure, 21 Aug. 2025
Picking out problem areas on a schedule is not a foolproof exercise, but there will always be a few places on the calendar that stand out.
—Eric Nehm, New York Times, 15 Aug. 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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Also, when your first album is that perfect and that massive, what comes later often seems like a letdown.—
Andy Greene,
Rolling Stone,
26 Sep. 2025
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From lightweight fall jackets to cozy two-piece sets that are ready for your next airport adventure—each item is super versatile and perfect for any trip.—
Rosie Marder,
Travel + Leisure,
26 Sep. 2025
Adjective
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Your house and meal don’t need to be flawless to have a memorable evening.—
Cameron Beall,
Southern Living,
24 Sep. 2025
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While no system is flawless, cloud storage is generally secure and safer than keeping everything on a single device.—
Roxanne Downer,
USA Today,
23 Sep. 2025
Adjective
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After all, calculators are more reliable than mental math.—
Alexis Kayser,
MSNBC Newsweek,
24 Sep. 2025
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One route there, of course, is more reliable minutes with offensively gifted players.—
The Athletic NHL,
New York Times,
24 Sep. 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 27 Sep. 2025.
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