foolproof

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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of foolproof For measles vaccine, two is better than one Few vaccines, including the measles vaccine, are absolutely foolproof. Michelle Deal-Zimmerman, Baltimore Sun, 27 Feb. 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 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 See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
  • Los Angeles, which wanted to move up to draft Brock Bowers last year, found an option at tight end in this draft in Terrance Ferguson, a four-year starter out of Oregon who could become a perfect complement in the middle of the field to the 1-2 punch on the outside in Davante Adams and Puka Nacua.
    Zak Keefer, New York Times, 27 Apr. 2025
  • From classic denim designs to vibrant colorways and distressed finishes, flared jeans find their perfect ally in platform shoes.
    René Chávez Esparza, Glamour, 27 Apr. 2025
Adjective
  • Though the cleanup crews have drawn wide praise, the work has not been flawless.
    James Rainey, Los Angeles Times, 20 Apr. 2025
  • In thought leadership, the real win isn’t in being flawless.
    Rhea Wessel, Forbes.com, 17 Apr. 2025
Adjective
  • 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
  • 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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Cite this Entry

“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 30 Apr. 2025.

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