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
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
One of the most foolproof ways to know when severe weather is en route or likely to form is simply to have your smartphone.
—Cody Godwin, USA Today, 23 Apr. 2025
Wear them together for a foolproof spring outfit, or separately with dressier or more casual pieces in your suitcase, depending on the occasion.
—Amelia McBride, Travel + Leisure, 21 Mar. 2025
See All Example Sentences for foolproof
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
One of the most foolproof ways to know when severe weather is en route or likely to form is simply to have your smartphone.
—Cody Godwin, USA Today, 23 Apr. 2025
Wear them together for a foolproof spring outfit, or separately with dressier or more casual pieces in your suitcase, depending on the occasion.
—Amelia McBride, Travel + Leisure, 21 Mar. 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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Shop matching sets with chic cropped pants, flowy skirts, and breezy shorts that are perfect for your next weekend getaway, beach trip, or brunch date.—
Alicia Geigel,
Southern Living,
8 July 2025
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Original price: $179.99 The Florence by Mills Women's two wheel rolling travel duffle bag is perfect for weekend getaways or longer trips.—
Nora Colomer
may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom.,
FOXNews.com,
8 July 2025
Adjective
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There’s no flawless way to do it; enrollment numbers can’t really account for a sport’s tradition in a town or school.—
Dom Amore,
Hartford Courant,
12 July 2025
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Changing this idea to an in-game system where you are now being asked to achieve something (go flawless in Trials of Osiris) to unlock the ability to buy a digital ornament for real money (this will cost about $7-10 depending on your Silver stores).—
Paul Tassi,
Forbes.com,
12 July 2025
Adjective
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Best Buy Here's proof that reliable tracking doesn't have to be expensive.—
Adrienne So,
Wired News,
10 July 2025
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The stable coherence properties of neutral atoms facilitate the reliable extraction and preservation of atomic imprints.—
Pravir Malik,
Forbes.com,
10 July 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 18 Jul. 2025.
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