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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Example Sentences
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Recent Examples of foolproof
From gifts for new moms (eye masks, motherhood journals) to foolproof ideas that also make great gifts for all the women in your orbit (beauty goodies to pamper her and food presents to feed her soul), these ideas never miss.
—
Shanna Shipin, Glamour, 2 Dec. 2024
Here below is my foolproof path for how the Titans can go 17-0 in 2024.
Week 1: at Chicago Bears — Rookie quarterbacks almost never win their debuts.
—Nick Suss, The Tennessean, 5 Sep. 2024
The brand also established a foolproof formula with its signature fit and fabric.
—Dahvi Shira, Forbes, 19 Dec. 2024
Get your compression cubes ready for action and read on for my foolproof ski trip carry-on packing list.
—Terry Ward, Travel + Leisure, 7 Dec. 2024
See all Example Sentences for foolproof 
Shanna Shipin, Glamour, 2 Dec. 2024
Here below is my foolproof path for how the Titans can go 17-0 in 2024.
Week 1: at Chicago Bears — Rookie quarterbacks almost never win their debuts.
—Nick Suss, The Tennessean, 5 Sep. 2024
The brand also established a foolproof formula with its signature fit and fabric.
—Dahvi Shira, Forbes, 19 Dec. 2024
Get your compression cubes ready for action and read on for my foolproof ski trip carry-on packing list.
—Terry Ward, Travel + Leisure, 7 Dec. 2024
See all Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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There are also group classes, perfect for those who want a supportive and interactive environment.—
Hilary Tetenbaum,
USA TODAY,
14 Feb. 2025
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Orly Nail Lacquer On Sale 10% off $9 Buy Now On Amazon This Orly Nail Lacquer comes in a few sheer nude shades, perfect for an American manicure.—
Kleigh Balugo,
StyleCaster,
14 Feb. 2025
Adjective
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First, this coverlet was flawless upon unpacking and fit very well, even on a thick mattress.—
Rebecca Jones,
Southern Living,
17 Feb. 2025
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Arne Slot has built his flawless Liverpool side on Virgil van Dijk and Ibrahima Konate.—
Liam Tharme,
The Athletic,
14 Feb. 2025
Adjective
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Their durable rubber outsole offers reliable traction on all surfaces, and the mesh upper provides breathability.—
Ali Faccenda,
Travel + Leisure,
14 Feb. 2025
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Gear up for spring cleaning with a reliable vacuum from Dyson, iRobot, Shark, and more top brands.—
Isabel Garcia,
People.com,
14 Feb. 2025
Thesaurus Entries Near foolproof
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 22 Feb. 2025.
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