unnavigable
/ʌnˈnævɪɡəbəl/
adjective
- Not deep, wide, or safe enough for ships or boats to travel through.
- Many early explorers had to abandon their boats when they reached unnavigable rapids.
- The river became unnavigable after the drought lowered the water level.
- The canal was unnavigable due to fallen trees and debris.
- Impossible to travel through or across; not passable.
- The dense jungle terrain was nearly unnavigable on foot.
- After the storm, the roads were unnavigable because of flooding.
- The app warned drivers that the mountain pass was unnavigable in winter.
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