adjective un·re·pass·able \¦ən(ˌ)rē¦pasəbəl, -paas-, -pais-, -pȧs-\

Definition of unrepassable


  1. :  incapable of being passed again :  not to be traversed in returning

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Origin and Etymology of unrepassable

1un- + repass + -able

First Known Use: 1600

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