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.
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
For measles vaccine, two is better than one Few vaccines, including the measles vaccine, are absolutely foolproof.
—
Michelle Deal-Zimmerman, Baltimore Sun, 27 Feb. 2025
While no security measure is completely foolproof, combining these practices can significantly reduce the risk of falling victim to infostealer malware.
—Kurt Knutsson, Cyberguy Report, Fox News, 26 Feb. 2025
Directing settlement money to charity can work in some cases, but even that is not foolproof.
—Robert W. Wood, Forbes, 24 Feb. 2025
Boxed brownie mixes are a foolproof way to achieve the perfect fudgy texture and chocolate flavor.
—Sarah Martens, Better Homes & Gardens, 14 Feb. 2025
See All Example Sentences for foolproof
Michelle Deal-Zimmerman, Baltimore Sun, 27 Feb. 2025
While no security measure is completely foolproof, combining these practices can significantly reduce the risk of falling victim to infostealer malware.
—Kurt Knutsson, Cyberguy Report, Fox News, 26 Feb. 2025
Directing settlement money to charity can work in some cases, but even that is not foolproof.
—Robert W. Wood, Forbes, 24 Feb. 2025
Boxed brownie mixes are a foolproof way to achieve the perfect fudgy texture and chocolate flavor.
—Sarah Martens, Better Homes & Gardens, 14 Feb. 2025
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
-
Forget boring—we're talking flattering, versatile, and oh-so-comfy matching sets perfect for exploring new destinations (or just lounging in style).—
Robin Raven,
Travel + Leisure,
27 Apr. 2025
-
The more dextrous will get perfect curves and straight lines.—
Gabriela Molina Riascos,
The Orlando Sentinel,
27 Apr. 2025
Adjective
-
Though the cleanup crews have drawn wide praise, the work has not been flawless.—
James Rainey,
Los Angeles Times,
20 Apr. 2025
-
In thought leadership, the real win isn’t in being flawless.—
Rhea Wessel,
Forbes.com,
17 Apr. 2025
Adjective
-
Over the next decade his signature kung-fu comedy style blending bold stunts and easy-going charisma became a reliable box-office draw for Hong Kong’s now legendary Golden Harvest studio.—
Nick Vivarelli,
Variety,
29 Apr. 2025
-
The only solution with the current state of the Dodgers is a blockbuster trade for a reliable pitcher to bolster their rotation.—
Mohammed Soliman,
MSNBC Newsweek,
29 Apr. 2025
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 2 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share