impassability

/ɪmˌpæsəˈbɪləti/
noun
  1. The quality or state of being impossible to travel through or across.
    • The swamp's impassability made it a natural barrier against invaders.
    • The impassability of the mountain range forced the explorers to find another route.
    • Heavy snowfall caused the impassability of many roads in the region.
What does "impassability" mean? | whatsthatwordmean | whatsthatwordmean