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
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
Lego sets are a foolproof way to keep everyone entertained, and Target just dropped so many new kits.
—Rachel Trujillo, People.com, 3 Aug. 2025
Yes, good old paper is the best and only way to have foolproof elections.
—New York Daily News Editorial Board, New York Daily News, 29 May 2025
See All Example Sentences for foolproof
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
Lego sets are a foolproof way to keep everyone entertained, and Target just dropped so many new kits.
—Rachel Trujillo, People.com, 3 Aug. 2025
Yes, good old paper is the best and only way to have foolproof elections.
—New York Daily News Editorial Board, New York Daily News, 29 May 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
-
Native shrubs perfect for fall Chokeberry Chokeberry features crimson or orange leaves in autumn, with red berries that can persist through winter.—
Chris McKeown,
Cincinnati Enquirer,
6 Sep. 2025
-
The midweight fabric is perfect for layering on chillier fall days, while the snap closure leaves room for easy venting.—
Anne Taylor,
Travel + Leisure,
5 Sep. 2025
Adjective
-
On paper, the setup was nearly flawless.—
Jim Osman,
Forbes.com,
3 Sep. 2025
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The French cast is flawless, as is Zoey Deutch in a pixie cut as Jean Seberg.—
Anne Thompson,
IndieWire,
1 Sep. 2025
Adjective
-
Throughout Amorim’s tenure, United’s wide combinations have been present, but other tactical problems, poor execution and the lack of a reliable goalscorer have impacted their productivity.—
Ahmed Walid,
New York Times,
4 Sep. 2025
-
Those events underscored the need for more reliable smoke management tools.—
Aamir Khollam,
Interesting Engineering,
3 Sep. 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 9 Sep. 2025.
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