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

In 2015, the seemingly impregnable Central Belt – and beyond – in Scotland fell to the Scottish National Party from Labour.

From BBC • Dec. 30, 2025

Once impregnable, touring sides have won more matches at the Gabba than any other Australia venue since 2021.

From BBC • Dec. 1, 2025

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

When it was finished it would be impregnable: no giant, no troll, no dwarf, no mortal would be able to breach that wall.

From "Norse Mythology" by Neil Gaiman