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.

In theory that threatens Apple’s impregnable walled garden.

From The Wall Street Journal • Jan. 2, 2026

Singapore was considered impregnable, but it wasn’t prepared for an attack from the mainland, and its 60,000-strong garrison surrendered on Feb. 8, 1942, the worst defeat in British history.

From The Wall Street Journal • Oct. 27, 2025

“It’s like hitting a bullet with a bullet,” someone says, crushing the naive notion of an impregnable “nuclear defense.”

From Los Angeles Times • Oct. 9, 2025

Alcaraz was the outstanding player at Flushing Meadows, not dropping a set until the final, and was virtually impregnable on serve.

From BBC • Sep. 8, 2025

Of being locked into a physically impregnable cocoon.

From "The God of Small Things" by Arundhati Roy