say it: uhn-REE-chuh-buhl
unreachable is an adjective meaning "inaccessibly located or situated". It carries one recorded sense.
inaccessibly located or situated
“an unapproachable chalet high in the mountains”
“an unreachable canyon”
“the unreachable stars”
Definitions, synonyms and semantic relations for unreachable come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.