Wordnet 3.0
ADJECTIVE (1)
1. 
 inaccessibly located or situated; 
- Example: "an unapproachable chalet high in the mountains"- Example: "an unreachable canyon"- Example: "the unreachable stars"[syn: unapproachable, unreachable, unreached, out of reach(p)]
The Collaborative International Dictionary of English v.0.48:
Unreached \Unreached\
   See reached.
WordNet (r) 3.0 (2006):
unreached
    adj 1: inaccessibly located or situated; "an unapproachable
           chalet high in the mountains"; "an unreachable canyon";
           "the unreachable stars" [syn: unapproachable,
           unreachable, unreached, out of reach(p)]