antipodean, back of beyond, beyond reach, beyond the bounds, closed forever to, closed to, godforsaken, hyperborean, impenetrable, impervious, inaccessible, lost to, out of earshot, out of hearing, out of range, out of sight, out-of-the-way, un-come-at-able, unaccessible, unapproachable, unattainable, unavailable, undiscoverable, ungetatable, ungettable, unobtainable, unprocurable, unreachable, unsecurable, untouchable