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outcaste

American  
[out-kast, -kahst] / ˈaʊtˌkæst, -ˌkɑst /

noun

  1. (in India) a person who has left or been expelled from their caste.

  2. a person of no caste.


outcaste British  
/ ˈaʊtˌkɑːst /

noun

  1. a person who has been expelled from a caste

  2. a person having no caste

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to cause (someone) to lose his caste

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of outcaste

First recorded in 1875–80; out- + caste