"inaccessible" in the adjective sense
1. inaccessible, unaccessible
capable of being reached only with great difficulty or not at all
2. inaccessible, unobtainable, unprocurable, untouchable
not capable of being obtained
"a rare work, today almost inaccessible"
"timber is virtually unobtainable in the islands"
"untouchable resources buried deep within the earth"
Source: WordNet® (An amazing lexical database of English)
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