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.

The trick to turning one deli run into multiple dinners is simple and nearly foolproof: one creamy, one crunchy, one briny or fresh.

From Salon • Feb. 12, 2026

Within months, the scam had become so foolproof, the government said, that in April 2023, Hennen reassured a co-schemer by sending a text message.

From The Wall Street Journal • Jan. 15, 2026

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

The president and chief investment officer of Alphabet and Google shares her foolproof B.S. detector and why big tech can be like playing with fire.

From The Wall Street Journal • Nov. 7, 2025

In any event, while the method is hardly foolproof, it is certainly worth trying if you should ever be faced with a marauding dragon.

From "Jeremy Thatcher, Dragon Hatcher" by Bruce Coville