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
Here’s how to style drawstring jeans for spring and beyond in five foolproof outfit ideas.
—
India Roby, Glamour, 18 Mar. 2026
Make things simpler by building your wardrobe around a few foolproof hero pieces.
—Amanda Le, InStyle, 14 Mar. 2026
Pretty is almost foolproof in a time of uncertainty.
—Rachel Tashjian, CNN Money, 10 Mar. 2026
Beige Much like gray, beige is often seen as a foolproof choice.
—Marisa Suzanne Martin, The Spruce, 7 Mar. 2026
See All Example Sentences for foolproof
India Roby, Glamour, 18 Mar. 2026
Make things simpler by building your wardrobe around a few foolproof hero pieces.
—Amanda Le, InStyle, 14 Mar. 2026
Pretty is almost foolproof in a time of uncertainty.
—Rachel Tashjian, CNN Money, 10 Mar. 2026
Beige Much like gray, beige is often seen as a foolproof choice.
—Marisa Suzanne Martin, The Spruce, 7 Mar. 2026
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
-
Either way, this decisive energy favors clear asks and tangible action over chasing perfect conditions.—
Tarot.com,
New York Daily News,
9 Apr. 2026
-
Johansson took a perfect pass from Boldy right on the doorstep to beat Kraken goalie Joey Daccord, who finished with 24 saves.—
CBS News,
CBS News,
8 Apr. 2026
Adjective
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Hyaluronic acid and collagen help visibly hydrate and plump skin, smoothing the appearance of lines, crow’s feet and crepey texture for a flawless makeup look.—
Tory Johnson,
ABC News,
7 Apr. 2026
-
With their flawless tresses blowing in the wind, the original trio (from left, Kate Jackson, Farrah Fawcett and Jaclyn Smith) locked arms during a photoshoot in June 1976.—
Stephanie Sengwe,
PEOPLE,
7 Apr. 2026
Adjective
-
If nursing is the new reliable path to the middle class, the door is real, but the bottleneck is significant.—
Nick Lichtenberg,
Fortune,
13 Apr. 2026
-
Smith acknowledged the exorbitant price to build reliable orbital data centers, which will have an operational life of five to seven years, is its own obstacle.—
Zachary Hansen,
AJC.com,
13 Apr. 2026
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 15 Apr. 2026.
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