adjective
- impossible to travel along or through
Examples
- The mountain road became impassable after the landslide.
- Heavy snow made the highway impassable for several days.
- The jungle was nearly impassable without a machete.
- Flooding left many streets impassable to vehicles.
- The bridge collapse made the river impassable by car.
- Dense fog rendered the mountain pass impassable.
- The fallen trees created an impassable barrier across the trail.