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
Taking a look at your user manual is the most foolproof way to find out how your microwave ticks, but all is not lost even if your manual is.
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Audrey Bruno, SELF, 14 Oct. 2024
Worcestershire, dry mustard, and ground red pepper combine with your go-to cheese, for a foolproof party snack.
—Krissy Tiglias, Southern Living, 22 Sep. 2024
Conclusion These recommendations are not foolproof solutions that will prevent every issue, such as a blue screen caused by a necessary system update.
—Stoyan Mitov, Forbes, 20 Sep. 2024
That’s why leaning on the opinions of fellow shoppers is an almost foolproof way of discovering products that actually work.
—Maya Gandara, StyleCaster, 4 Sep. 2024
See all Example Sentences for foolproof 
Audrey Bruno, SELF, 14 Oct. 2024
Worcestershire, dry mustard, and ground red pepper combine with your go-to cheese, for a foolproof party snack.
—Krissy Tiglias, Southern Living, 22 Sep. 2024
Conclusion These recommendations are not foolproof solutions that will prevent every issue, such as a blue screen caused by a necessary system update.
—Stoyan Mitov, Forbes, 20 Sep. 2024
That’s why leaning on the opinions of fellow shoppers is an almost foolproof way of discovering products that actually work.
—Maya Gandara, StyleCaster, 4 Sep. 2024
See all Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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Designed for festive gatherings, these flats are perfect for adding a charming touch to your Christmas outfits while keeping comfort in mind.Angela Lei, Forbes, 22 Dec. 2024
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Fresh baby spinach: Once cooked down, spinach turns silky and tender, perfect for filling up lots of lasagna layers.Amanda Holstein, Southern Living, 22 Dec. 2024
Adjective
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But no one’s done that regarding Miller, who was a Rangers draft pick a dozen years ago and hasn’t exactly found a flawless fit in any of his three stops.Arthur Staple, The Athletic, 27 Dec. 2024
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With Cooper Rush and the Cowboys playing well on offense so far, the Bucs will need more of the Mayfield who put together a flawless two-minute drive before halftime.Rohan Nadkarni, NBC News, 23 Dec. 2024
Adjective
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The only constraint more reliable than the speed of light?Russ Kennedy, Forbes, 30 Dec. 2024
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One of the most vexing and most common problems is logging into accounts in a way that's both secure and reliable.Dan Goodin, Ars Technica, 30 Dec. 2024
Thesaurus Entries Near foolproof
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 3 Jan. 2025.
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