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
Directing settlement money to charity can work in some cases, but even that is not foolproof.
—
Robert W. Wood, Forbes, 24 Feb. 2025
Boxed brownie mixes are a foolproof way to achieve the perfect fudgy texture and chocolate flavor.
—Sarah Martens, Better Homes & Gardens, 14 Feb. 2025
Available in four natural tints and one clear hue, this is a foolproof brow gel.
—Kiana Murden, Vogue, 12 Feb. 2025
There is no way to make anything completely foolproof, and that includes any safeguards built into a mirror cell that could prevent the risk of accidental or deliberate release into the environment.
—Kate Adamala, The Conversation, 11 Feb. 2025
See All Example Sentences for foolproof
Robert W. Wood, Forbes, 24 Feb. 2025
Boxed brownie mixes are a foolproof way to achieve the perfect fudgy texture and chocolate flavor.
—Sarah Martens, Better Homes & Gardens, 14 Feb. 2025
Available in four natural tints and one clear hue, this is a foolproof brow gel.
—Kiana Murden, Vogue, 12 Feb. 2025
There is no way to make anything completely foolproof, and that includes any safeguards built into a mirror cell that could prevent the risk of accidental or deliberate release into the environment.
—Kate Adamala, The Conversation, 11 Feb. 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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This is perfect for those wanting to add a little spring fun into their life or looking to go into the season with a bang.—
Celeste Polanco,
Essence,
14 Apr. 2025
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Quick sketches are perfect for marking up documents or adding anything that's tricky to do with text, such as a graph or a math equation.—
PC Magazine,
PC Magazine,
14 Apr. 2025
Adjective
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Though the cleanup crews have drawn wide praise, the work has not been flawless.—
James Rainey,
Los Angeles Times,
20 Apr. 2025
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In thought leadership, the real win isn’t in being flawless.—
Rhea Wessel,
Forbes.com,
17 Apr. 2025
Adjective
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Previously, Ming-Chi Kuo, a reliable analyst at TFI Securities, has predicted Touch ID to make a return on the iPhone Fold.—
Prakhar Khanna,
Forbes.com,
17 Apr. 2025
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When the Cubs have a lead, Counsell goes to a reliable late-game formula with relievers Julian Merryweather, Porter Hodge and Ryan Pressly.—
Patrick Mooney,
New York Times,
17 Apr. 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 24 Apr. 2025.
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