untouchable

belongs to lowest social and ritual class in India

beyond the reach of criticism or attack or impeachment

• “for the first time criticism was directed at a hitherto untouchable target” Newsweek

impossible to assail

forbidden to the touch

• “in most museums such articles are untouchable”

defiling to the touch; especially used in traditional Hindu belief of the lowest caste or castes

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”