unobtainable, impenetrable, unassailable, unfrequented, critical, unachievable, outback, impassable, backwoods, unprocurable, trackless, trying, unattainable, impracticable, pathless, not at hand, complicated, intractable, impossible, untracked, aloof, unreachable, far, roadless, unreached, inconvenient, un-come-at-able, rare, elusive, impervious, isolated, delicate, apart, untouchable, insurmountable, outermost, contorted, elaborate, tight, unfeasible, inconvenient, remote, testing, complex, unworkable, unaccessible, reach, untrodden, confusing, insoluble, lonely, deserted, incomprehensible, involved, out of reach, unrealizable, unattainable, away, difficult, intolerable, thorny, untrod, awkward, unavailable, un-get-at-able, ungetatable, inapproachable, outlying, solitary, unapproachable, intricate, confused, distant.

There are few who are altogether inaccessible to flattery. - "Hector's Inheritance or The Boys of Smith Institute", Horatio Alger.

The whole, is the property of Queen Charlotte, and is inaccessible to a visit of mere curiosity. - "A Morning's Walk from London to Kew", Richard Phillips.

To such men no toil was unusual, no place was difficult or inaccessible, no armed enemy was formidable; their valor had overcome everything. - "The Best of the World's Classics, Restricted to prose. Volume II (of X) - Rome", Various.

inadmissible, inaccessibility, inadmissibly, inalterable, inadvisable, inalienable.