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 But, there are some foolproof ways to choose a sensory-friendly paint color. Shivani Vyas, Better Homes & Gardens, 27 Aug. 2025 But forgetting is foolproof if your water bottle is always slung around your neck. Anna Fiorentino, Travel + Leisure, 21 Aug. 2025 Turn your favorite breakfast duo into a filling casserole with this foolproof recipe. Mary Shannon Wells, Southern Living, 18 Aug. 2025 Picking out problem areas on a schedule is not a foolproof exercise, but there will always be a few places on the calendar that stand out. Eric Nehm, New York Times, 15 Aug. 2025 See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
  • The reigning Olympic and world champion Lyles hasn’t been perfect in 2025, either.
    Cory Mull, Forbes.com, 12 Sep. 2025
  • Adidas Gender Inclusive Samba OG Sneakers The Adidas Samba sneakers are one of the most popular styles from the brand and a perfect versatile shoe for fall.
    Merrell Readman, Travel + Leisure, 12 Sep. 2025
Adjective
  • No one expects their leaders to be flawless.
    Sean WillChene, Forbes.com, 16 Sep. 2025
  • The perfectly still water creates a flawless mirror image of the stalactites above, tricking your eyes into seeing a vast, bottomless lake.
    Alexandra Emanuelli, Southern Living, 16 Sep. 2025
Adjective
  • The strategy was stress-tested against historical market downturns and became a reliable benchmark for retirees looking to stretch savings across three decades.
    Aliss Higham, MSNBC Newsweek, 18 Sep. 2025
  • Dell has crafted a reliable everyday machine out of the 16 Plus.
    Charles Jefferies, PC Magazine, 18 Sep. 2025

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Cite this Entry

“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 19 Sep. 2025.

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