Words similar to impassable

Example sentences for: impassable

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

They remind us that there was a time when the line between the personal and the public was impassable.
The unlit stairwells filled with smoke and were so dark as to be impassable.
Evidence suggests that all three of the building's stairwells became impassable from the 92nd floor up.
From Ujung, a coast road skirts the eastern tip of Bali, but it is potholed and crosses many river beds, usually dry but impassable after heavy rain.
The WTC lacked any plan for evacuation of civilians on upper floors of the WTC in the event that all stairwells were impassable below.