Unnavigable

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Not navigable: difficult or impossible to navigate.

    "Near-synonym: impassible"

  2. 2
    Not navigable: difficult or impossible to navigate.; Impossible to sail through; impassible to watercraft, unusable as a waterway (for example, too shallow).

    "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."

  3. 3
    Not navigable: difficult or impossible to navigate.; That is totally impassible: cannot be used for any reason.

    "The trail was unnavigable since the flood washed it away."

Adjective
  1. 1
    incapable of being navigated wordnet

Synonyms

All synonyms
impassableimpassibleinnavigable

Example

More examples

"Mary's house was situated in a maze of one-way streets almost unnavigable for drivers unfamiliar with the area."

Etymology

From un- + navigable.

More for "unnavigable"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.