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Impassable vs Unsurpassable - What's the difference?

impassable | unsurpassable |

As adjectives the difference between impassable and unsurpassable

is that impassable is incapable of being passed over, crossed, or negotiated while unsurpassable is not surpassable; unable to be surpassed.

impassable

English

Adjective

(en adjective)
  • Incapable of being passed over, crossed, or negotiated.
  • (of an obstacle) Incapable of being overcome or surmounted.
  • (of currency) Not useable as legal tender.
  • Synonyms

    * unpassable

    See also

    * impassible ----

    unsurpassable

    English

    Adjective

    (en adjective)
  • Not surpassable; unable to be surpassed.
  • * 1908 ,
  • On either side of them, as they glided onwards, the rich meadow-grass seemed that morning of a freshness and a greenness unsurpassable . Never had they noticed the roses so vivid, the willow-herb so riotous, the meadow-sweet so odorous and pervading.