Words similar to impenetrable

Example sentences for: impenetrable

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

Sometimes we think of the nations lying asleep, Curled blindly in impenetrable sorrow, And then the thought confounds us with its strangeness.
But judges, whose jobs depend on judicial procedures being impenetrable, convoluted, and self-contradictory, systematically conceal what they are thinking of when they use the phrase "reasonable doubt."
Soon, huge slabs of reinforced concrete and tank-traps formed a more impenetrable barrier.
In the last 10 years, Mafia operations have been devastated by arrests . For instance, last year federal agents busted the bulk of Detroit's family--one of the most powerful and impenetrable.
It’s not hard to understand why the fortress proved virtually impenetrable.