impregnable

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.

But that doesn’t mean it’s impregnable, and consumers need to understand the potential dangers of handing their biometrics over to a company.

From The Wall Street Journal • Mar. 20, 2026

Alcatraz island - nicknamed "the Rock" because it was regarded as an impregnable fortress - is home to the shuttered federal penitentiary that housed some of the most dangerous criminals in the US.

From BBC • Jan. 30, 2026

“Some criminals have understood that museums are not impregnable cultural fortresses,” said Pierre Noual, a French lawyer specializing in cultural heritage law.

From The Wall Street Journal • Nov. 13, 2025

High-flying Crystal Palace are the only side to rival City's attacking threat, while Newcastle are living up to their name by being almost as impregnable at the back as Arsenal.

From BBC • Oct. 15, 2025

Fear that a $25,000 car will crumple like a toy in an accident, whereas a $50,000 car will wrap your loved ones in a cocoon of impregnable steel.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt