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Definitions

impregnable

[im-preg-nuh-buhl] / ɪmˈprɛg nə bəl /


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

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

“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

“If Storm’s End is so impregnable, how do you mean to take it?” asked Malo.

From "A Dance with Dragons" by George R. R. Martin




Vocabulary lists containing impregnable