Meaning of untouchability

un•touch•a•bil•i•ty

Pronunciation: (un"tuch-u-bil'i-tē), [key]
— n. Hinduism.
  1. the quality or condition of being an untouchable, ascribed in the Vedic tradition to persons of low caste or to persons excluded from the caste system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.