[un.touch.able] adj (1567) 1 a: forbidden to the touch: not to be handled b: exempt from criticism or control
2: lying beyond reach
3: disagreeable or defiling to the touch
[2]untouchable n (1909): one that is untouchable; specif: a member of a large formerly segregated hereditary group in India having in traditional Hindu belief the quality of defiling by contact a member of a higher caste