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.
British Columbia, the third largest province, is supremely the land of the wild outdoors, with the constant challenge of rugged mountains, seemingly impenetrable forests, a jagged coastline, and dizzily fast-moving rivers.
Soon, huge slabs of reinforced concrete and tank-traps formed a more impenetrable barrier.
It seemed as if Gore's thin hard carapace of impenetrability has been replaced by a thick, smooth gelatinous coating that is equally impenetrable.
I wonder, however, having now watched the show, that it may be its impenetrable Japanese-ness is what really scares parents.