Example sentences for: impregnable

How can you use “impregnable” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Advanced cryptography could be used to make phone conversations impregnable to wiretap and financial records invulnerable to subpoena.

  • Once a vast fortification of 49 turrets, it ranked alongside Osaka and Nagoya as one of the country’s greatest impregnable bastions.

  • The dramatically rising cliff of black basalt stone made the castle impregnable to all but the most wily commander.

  • The Moors were on the retreat, withdrawing to the almost impregnable mountain fortress area of Granada, where they held out until 1492.

  • impregnable Non-English speakers have been known to think this means inconceivable.


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