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
Homemade foolproof fudge can be stored in the freezer, wrapped and sealed tightly in freezer safe plastic wrap or a container, for up to three months.
—
Melissa Gray, Southern Living, 12 Dec. 2024
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
See All Example Sentences for foolproof
Melissa Gray, Southern Living, 12 Dec. 2024
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
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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Darius Garland, who'd be a perfect fit, isn't available, nor would Orlando have enough to pry him away from the Cleveland Cavaliers.—
Morten Stig Jensen,
Forbes,
26 Feb. 2025
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Finney-Smith grabbed a huge rebound on a rare James miss, set a perfect screen for a Doncic layup and made a great defensive rotation and a clutch steal.—
Dan Woike,
Los Angeles Times,
26 Feb. 2025
Adjective
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Below, find Vogue’s edit of the best setting sprays for priming and setting a flawless makeup look, all the while hydrating and soothing the skin.—
Kiana Murden,
Vogue,
3 Mar. 2025
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The viciousness, Cargill’s offense, look, and facial expressions were flawless.—
Brian Mazique,
Forbes,
2 Mar. 2025
Adjective
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The 3-month Treasury yield this week moved above the 10-year note, a historically reliable indicator of a recession at the 12- to 18-month horizon.—
Jeff Cox,
CNBC,
28 Feb. 2025
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With a credit card and a garage, enthusiasts can build a virtually new Mustang from scratch using show-quality reproduction parts available from dozens of reliable suppliers.—
Robert Ross,
Robb Report,
28 Feb. 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 13 Mar. 2025.
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