white supremacy

noun
  1. the belief, theory, or doctrine that white people are inherently superior to people from all other racial groups, especially black people, and are therefore rightfully the dominant group in any society.

Origin of white supremacy

An Americanism dating back to 1865–70
Related formswhite supremacist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for white supremacy

White supremacy

noun
  1. the theory or belief that White people are innately superior to people of other races
Derived FormsWhite supremacist, noun, adjective
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