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foolproof

[fool-proof] / ˈfulˌpruf /


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.

The spokeswoman added that the company’s age prediction algorithms show performance similar to the rest of the industry, but will never be completely foolproof.

From The Wall Street Journal • Mar. 16, 2026

Adding Extra Security at Home: Even your home network isn’t foolproof.

From Salon • Feb. 12, 2026

A government-funded, industry-run trial looked at the main methods of age assurance and earlier this year reported all were technically possible – but none were foolproof and all carried risks.

From BBC • Dec. 6, 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

With eyes closed they inhaled deeply, for a good, concentrated sniff was the most foolproof way of knowing what was what.

From "The Long-Lost Home" by Maryrose Wood




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