from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Unable to be reached; inaccessible: camped out in a remote cabin unreachable by telephone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Unable to be reached; impossible to attain.
- n. A person or thing that cannot be reached.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. inaccessibly located or situated
From un- + reach + -able. (Wiktionary)