From The Collaborative International Dictionary of English v.0.48 :
Unreached \Unreached\
See reached.
From 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)]