unnavigable

adj

Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English navigable English unnavigable From un- + navigable.

1. Not navigable: difficult or impossible to navigate.

   “Near-synonym: impassible”

   “unnavigable website”

2. Not navigable: difficult or impossible to navigate.

   “A road journey of 70 miles past unnavigable rapids leads to Juba, from which it is seven days' steaming down river through to Kosti, on the Sudan Railways.”

   “Nang county is the name given to the present administrative division of E Dakpo, the principal gateway to the sacred mountain of Tsari, and the region through which the Brahmaputra River cuts its way through an unnavigable 33 km horse-shoe gorge as it flows towards Longpo and Kongpo.”

3. Not navigable: difficult or impossible to navigate.

   “The trail was unnavigable since the flood washed it away.”