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.

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

From Salon • Feb. 12, 2026

Leaders said grabbing sovereign assets would set a dangerous precedent and that a complex plan prepared by the European Union wasn’t foolproof.

From The Wall Street Journal • Dec. 19, 2025

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

“You can’t assume that something like that is going to be foolproof and nothing can happen.”

From The Wall Street Journal • Oct. 21, 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