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
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
While no security measure is completely foolproof, combining these practices can significantly reduce the risk of falling victim to infostealer malware.
—Kurt Knutsson, Cyberguy Report, Fox News, 26 Feb. 2025
How To Make It This is truly one of the easiest and most foolproof meals out here.
—Cameron Beall, Southern Living, 17 Feb. 2025
See All Example Sentences for foolproof
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
While no security measure is completely foolproof, combining these practices can significantly reduce the risk of falling victim to infostealer malware.
—Kurt Knutsson, Cyberguy Report, Fox News, 26 Feb. 2025
How To Make It This is truly one of the easiest and most foolproof meals out here.
—Cameron Beall, Southern Living, 17 Feb. 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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The world is all about them, and they are constantly focused on creating a perfect image of themselves in front of others.—
Mark Travers,
Forbes.com,
14 June 2025
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This results in chewy little springs perfect for pasta salads, but also a rich ragù.—
Alana Al-Hatlani,
Southern Living,
14 June 2025
Adjective
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The Setup Is Perfect For Activism And Restructuring Red Lobster’s recent bankruptcy serves as a prime example of not wanting things to be flawless.—
Jim Osman,
Forbes.com,
19 June 2025
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Local water sausage executes a flawless 360,493° ultra-zoom mega spin.—
Bluesky Social,
Bluesky Social,
13 June 2025
Adjective
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The entire production throughput is becoming faster and more reliable.—
Pradeep Govindasamy,
Forbes.com,
16 June 2025
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Advertisement To put all that in context, recall that Black voters are the most reliable members of the Democratic coalition and the Black Church is the only reason these numbers aren’t even worse.—
Philip Elliott,
Time,
16 June 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 25 Jun. 2025.
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