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.

Within a few months, a fortress that had seemed impregnable had crumbled to the ground.

From Salon

"There is a quarter known as the 'Airplane' - it is like an impregnable fortress from a bed of multi-storey buildings in the southwest of Bakhmut, where incredibly heavy battles are going on."

From Reuters

She was protected by her impregnable certainty that whatever she did was utterly beyond reproach.

From New York Times

The San Gabriel Mountains loom like an impregnable fortress for millions of migrating birds making their long and perilous journey to distant breeding grounds in the far north.

From Los Angeles Times

The purpose appears to have been to build an impregnable citadel, able to withstand foreign invasions or popular uprisings.

From BBC