Hypertext Webster Gateway: "unobtainable"
From WordNet (r) 1.7 (wn)
unobtainable
adj : 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" [syn: {inaccessible}, {unprocurable}, {untouchable}]
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