belongs to lowest social and ritual class in India 同义词:Harijan,
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" 同义词:inaccessible, unobtainable, unprocurable,
( especially used in traditional Hindu belief of the lowest caste or castes) defiling
forbidden to the touch; "in most museums such articles are untouchable"