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
Sundresses are also a foolproof staple for summer.
—
Clara McMahon, PEOPLE, 25 May 2026
In a similar vein, the sunscreen is foolproof as far as application.
—Sophie Wirt, InStyle, 22 May 2026
Prepping bean salad for the week is a foolproof way to keep nutritious meals on hand.
—Olivia McIntosh, Martha Stewart, 19 May 2026
Worcestershire, dry mustard, and ground red pepper combine with your go-to cheese, for a foolproof party snack.
—Nellah Bailey McGough, Southern Living, 19 May 2026
See All Example Sentences for foolproof
Clara McMahon, PEOPLE, 25 May 2026
In a similar vein, the sunscreen is foolproof as far as application.
—Sophie Wirt, InStyle, 22 May 2026
Prepping bean salad for the week is a foolproof way to keep nutritious meals on hand.
—Olivia McIntosh, Martha Stewart, 19 May 2026
Worcestershire, dry mustard, and ground red pepper combine with your go-to cheese, for a foolproof party snack.
—Nellah Bailey McGough, Southern Living, 19 May 2026
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
-
There are no perfect conditions for making art.—
Literary Hub,
Literary Hub,
27 May 2026
-
India has deep literary traditions in several regional languages, and this delicious novella, translated from Kannada, is a perfect amuse-bouche.—
The Week US,
TheWeek,
27 May 2026
Adjective
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Cook without Jobs would have run a flawless operation with nothing remarkable to operate.—
Jodie Cook,
Forbes.com,
24 May 2026
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And third baseman D’Angelo Duran and shortstop Ethan Sanchez were flawless on ground balls.—
Eric Sondheimer,
Los Angeles Times,
23 May 2026
Adjective
-
The insoles are made from a responsive yoga mat material that offers impressive arch support, while the outsoles are a sturdy rubber that’s grippy and reliable.—
Merrell Readman,
Travel + Leisure,
26 May 2026
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Breakfast is straightforward and reliable, but dinner is where the kitchen shines.—
Condé Nast,
Condé Nast Traveler,
26 May 2026
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 2 Jun. 2026.
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