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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Examples of foolproof in a Sentence
Recent Examples on the Web
Her foolproof formula is a loud mini-dress and tall boots, the more iridescent the better.
—
Leah Dolan, CNN, 29 July 2024
Unfortunately, there’s no easy, foolproof way to get rid of voles.
—Arricca Elin Sansone, Southern Living, 18 July 2024
Size Fournier offers a foolproof formula to find the right size heater for your space by estimating ten watts for every square foot.
—Nor'adila Hepburn, Better Homes & Gardens, 21 June 2024
Without a foolproof regimen to maintain vocal health on the road, singers become superstitious — about particular warm-up routines and types of tea.
—Dessa Dessa Tanya Pérez Alec K. Redfearn, New York Times, 12 June 2024
See all Example Sentences for foolproof 
Leah Dolan, CNN, 29 July 2024
Unfortunately, there’s no easy, foolproof way to get rid of voles.
—Arricca Elin Sansone, Southern Living, 18 July 2024
Size Fournier offers a foolproof formula to find the right size heater for your space by estimating ten watts for every square foot.
—Nor'adila Hepburn, Better Homes & Gardens, 21 June 2024
Without a foolproof regimen to maintain vocal health on the road, singers become superstitious — about particular warm-up routines and types of tea.
—Dessa Dessa Tanya Pérez Alec K. Redfearn, New York Times, 12 June 2024
See all Example Sentences for foolproof
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'foolproof.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 20 Sep. 2024.
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