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:

Evidence suggests that all three of the building's stairwells became impassable from the 92nd floor up.
Once the plane struck, they were prevented from descending because of damage to or impassable conditions in the building's three stairwells.
The unlit stairwells filled with smoke and were so dark as to be impassable.
The WTC lacked any plan for evacuation of civilians on upper floors of the WTC in the event that all stairwells were impassable below.
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.