inaccessible
adjective
1. capable of being reached only with great difficulty or not at all
Similar word(s): outback, remote, pathless, roadless, trackless, untracked, untrod, untrodden, unapproachable, unreachable, unreached, ungetatable, unaccessible
2. not capable of being obtained
- a rare work, today almost inaccessible
Similar word(s): unavailable, unobtainable, unprocurable, untouchable
noun
1. (mathematics) An uncountable regular cardinal number that is a limit cardinal.