foolproof
adjective
fool·proof
ˈfül-ˌprüf 
: so simple, plain, or reliable as to leave no opportunity for error, misuse, or failure
a foolproof plan
Examples of foolproof in a Sentence
DNA fingerprinting gives police a virtually foolproof way to link a suspect to a crime scene.
Recent Examples on the Web
Worcestershire, dry mustard, and ground red pepper combine with your go-to cheese, for a foolproof party snack.
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Krissy Tiglias, Southern Living, 22 Sep. 2024
Conclusion These recommendations are not foolproof solutions that will prevent every issue, such as a blue screen caused by a necessary system update.
—Stoyan Mitov, Forbes, 20 Sep. 2024
That’s why leaning on the opinions of fellow shoppers is an almost foolproof way of discovering products that actually work.
—Maya Gandara, StyleCaster, 4 Sep. 2024
These foolproof travel outfits can be mixed and matched for any activity, and start at $42.
—Jean Chen Smith, Travel + Leisure, 3 Sep. 2024
See all Example Sentences for foolproof 
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Krissy Tiglias, Southern Living, 22 Sep. 2024
Conclusion These recommendations are not foolproof solutions that will prevent every issue, such as a blue screen caused by a necessary system update.
—Stoyan Mitov, Forbes, 20 Sep. 2024
That’s why leaning on the opinions of fellow shoppers is an almost foolproof way of discovering products that actually work.
—Maya Gandara, StyleCaster, 4 Sep. 2024
These foolproof travel outfits can be mixed and matched for any activity, and start at $42.
—Jean Chen Smith, Travel + Leisure, 3 Sep. 2024
See all Example Sentences for foolproof
Dictionary Entries Near foolproof
Cite this Entry
“Foolproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foolproof. Accessed 21 Nov. 2024.
Copy CitationKids Definition
foolproof
adjective
fool·proof
ˈfül-ˈprüf
: done, made, or planned so well that nothing can go wrong
foolproof directions
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