Impregnable used in a sentence

Impregnable in a sentence as an adjective

Do you have thick black hair and an impregnable constitution?

And if the systems are impregnable, there are always ways in that relies on the human factor.

Armoured support helped the Allies tear a hole through trench lines, weakening once impregnable trench positions.

The Keychain isn't an impregnable fortress; it is just a scheme for requiring a login for a user to read some of their own data.

But what about other login services?It doesn't really matter to me, as a developer, whether SMS is impregnable.

The article does not make the point that, having been delivered to Sweden, Assange would be protected by an impregnable shield against extradition to the US.

'""The common law has always recognized a man's house as his castle, impregnable, often, even to his own officers engaged in the execution of its command.

The way you say it cues that all Russian media is pro-government and Russian citizens en masse are either brainwashed drones or impregnable oppositional free-thinkers.