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
No method is completely foolproof, so avoiding contaminated water remains the safest strategy.
—
Ryan Brennan,
Kansas City Star,
16 June 2026
Jumpsuits are one of the most foolproof ways to pull together an outfit with minimal effort.
—
Sophie Dodd,
Travel + Leisure,
12 June 2026
Fortunately, Mike, AKA the Avocado Whisperer, has a foolproof plan to ensure top-top avocados.
—
Matt Reigle Outkick,
FOXNews.com,
10 June 2026
There are no foolproof safety guarantees, but parents should prioritize investing time in some sort of hands-on driving course.
—
Doug Turnbull,
AJC.com,
7 June 2026
See All Example Sentences for foolproof
Ryan Brennan,
Kansas City Star,
16 June 2026
Jumpsuits are one of the most foolproof ways to pull together an outfit with minimal effort.
—
Sophie Dodd,
Travel + Leisure,
12 June 2026
Fortunately, Mike, AKA the Avocado Whisperer, has a foolproof plan to ensure top-top avocados.
—
Matt Reigle Outkick,
FOXNews.com,
10 June 2026
There are no foolproof safety guarantees, but parents should prioritize investing time in some sort of hands-on driving course.
—
Doug Turnbull,
AJC.com,
7 June 2026
See All Example Sentences for foolproof
Recent Examples of Synonyms for foolproof
Adjective
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The season’s final visit by the defending World Series champs coaxed the first sellout crowd of the season for the Minnesota Twins on a perfect summer evening.
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Neither butter nor margarine is perfect, and both have potential drawbacks.
Adjective
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Thousands of five-star reviews attest to their high-quality, expensive feel and flawless fit.
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When a mouse costs more than $100, buyers expect premium materials, advanced software, and near-flawless execution.
Adjective
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But the systems are only as reliable as their sources, and are prone to misinformation and manipulation.
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Amodei predicts that, over the next five to ten years, AI will achieve, among other things, the reliable prevention and treatment of nearly all natural infectious disease, the elimination of most cancer, the prevention of Alzheimer’s and a doubling of the human lifespan.
Cite this Entry
“Foolproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foolproof. Accessed 26 Jun. 2026.
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