Search Result for "untraversable": 
Wordnet 3.0

ADJECTIVE (1)

1. incapable of being traversed; 



The Collaborative International Dictionary of English v.0.48:

Untraversable \Untraversable\
   See traversable.


WordNet (r) 3.0 (2006):

untraversable
    adj 1: incapable of being traversed