impassable

Definitions

Impossible to travel along or over.

Not capable of being passed or crossed.

Examples

The heavy snowfall made the mountain pass completely impassable for all vehicles.

After the torrential rain, the flooded river became impassable, cutting off the village from the main road.

Synonyms

blocked unnavigable closed inaccessible impenetrable obstructed unpassable

Antonyms

passable navigable accessible open clear traversable unobstructed