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
Welch became instantly ubiquitous on social media after her on-the-street interview with Tim & Dee TV that went viral earlier this summer and featured her describing a supposedly foolproof method for exciting a man in the bedroom.
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Ryan Gajewski, The Hollywood Reporter, 3 Sep. 2019
Or, keep it simple with the most basic, but foolproof white tee.
—Erika Veurink, Vogue, 9 Aug. 2024
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
See all Example Sentences for foolproof 
Ryan Gajewski, The Hollywood Reporter, 3 Sep. 2019
Or, keep it simple with the most basic, but foolproof white tee.
—Erika Veurink, Vogue, 9 Aug. 2024
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
See all Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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The Daylite Expandable Travel Pack is part of a collection that’s perfect for those who start their adventure at the airport.Outside Online, Outside Online, 11 Nov. 2024
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On a night like this, my proclivity is to try and see as much of the board as possible to feed my anxiety — this is perfect for that.Jen Chaney, Vulture, 6 Nov. 2024
Adjective
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The ability to holistically view the problem or situation at hand and leverage data to make a decision that leads to the most optimal outcomes powers flawless, swift execution.Naveen Singh, Forbes, 5 Nov. 2024
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Elevate your beauty routine and reveal your most flawless complexion yet!Kasey Caminiti, USA TODAY, 1 Nov. 2024
Adjective
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Eisenberg, who co-stars here with Kieran Culkin, wrote himself a role that suits him ever so well, playing the by-the-book, uptight David, a married man with a reliable job and a reliable life.Randy Myers, The Mercury News, 13 Nov. 2024
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Chief among those potentially destabilizing forces is that a fellow Republican will be in the White House — a reliable drag on GOP members of Congress during midterm elections.John Aguilar, The Denver Post, 12 Nov. 2024
Thesaurus Entries Near foolproof
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 24 Nov. 2024.
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