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.

That had seemed like an impregnable advantage for S&P Global.

From The Wall Street Journal • Feb. 4, 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

Victory would surely put them in an impregnable qualifying position, but there was a steely confidence about coach Stojkovic when he addressed the media, along with Milenkovic, here on Monday.

From BBC • Sep. 9, 2025

It was an expedition like that of an army without weapons against an impregnable fortress, an army which at the same time had its hands tied behind its back.

From "The Once and Future King" by T. H. White