Definition Of impassable
impossible to travel along or over.
the narrow channels are impassable to oceangoing ships
Example Of impassable
A few lived in adjoining counties and also were unable to travel due to flooded and impassable roads.
A secondary school in Trowbridge was forced to close on Wednesday when flash floods left corridors impassable .
At Kew, there can be as little as three feet of water during low tide, while a high tide results in Hammersmith Bridge becoming almost impassable .
But I bet she doesn't spin her son's decisions as an impassable ideological gulf and an affront to his mother.
Escape is almost impossible as the saturated mud sucks at the feet and impassable waterways are formed.