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. 2019
Examples from the Web for white supremacy
The Reluctant Racistby Caitlin Dickson His father founded the white-supremacy forum Stormfront.Read This, Skip That: The Best of The Daily Beast in 2013||December 29, 2013|DAILY BEAST
Down in the white-supremacy cesspool of Stormfront.org, some contributors thought they recognized a fellow traveler.
British Dictionary definitions for white supremacy
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