Unclimbable

adj

Definitions

Adjective
  1. 1
    Not able to be climbed not-comparable

    "Those cliffs are unclimbable."

Adjective
  1. 1
    incapable of being surmounted or climbed wordnet
  2. 2
    incapable of being ascended wordnet

Etymology

From un- + climb + -able.

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