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1. Beyond the reach of criticism or attack or impeachment
   "for the first time criticism was directed at a hitherto untouchable target"
    
2. Impossible to assail
   - unassailable
    
3. Forbidden to the touch
   "in most museums such articles are untouchable"
    
4. ( especially used in traditional Hindu belief of the lowest caste or castes) defiling
    
5. Not capable of being obtained
   "untouchable resources buried deep within the earth"
   - inaccessible, unobtainable, unprocurable

1. Belongs to lowest social and ritual class in India
   - Harijan, Dalit

Derived forms: untouchables

See also: impermissible, impure, inviolable, invulnerable, unavailable, unclean

Type of: castaway, Ishmael, outcast, pariah

Encyclopedia: Untouchable