foolproof
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It isn’t foolproof, but it usually flags at least a few inaccuracies.
From The Wall Street Journal • Mar. 21, 2026
For the people on your list who warrant a little extra effort — and perhaps a slightly expanded budget — I offer a reliably foolproof formula: one handmade element, paired with one small store-bought companion.
From Salon • Dec. 23, 2025
“Those can be defeated but that can take a lot of time,” Sutter said.”It’s not foolproof but at least it’s a strong deterrent.”
From Los Angeles Times • Nov. 26, 2025
Both the bunker and the 20-minute red cards are very solid concepts in theory, but in practice they are not foolproof.
From BBC • Nov. 25, 2025
“Surely you didn’t think you could fool my Whisperer. How typically juvenile. I’m afraid my Whisperer is foolproof, Reynard. Or perhaps I should say childproof—they amount to the same thing.”
From "The Mysterious Benedict Society" by Trenton Lee Stewart
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