noun
1. : the supremacy of white persons over all other racial groups
2. : a doctrine based on a belief in the inherent superiority of the white race over the Negro race and the correlative necessity for the subordination of Negroes to whites in all relationships ; especially : one that seeks to perpetuate such alleged superiority by restricting political, economic, and social powers and opportunities to white persons
resentment among the colored peoples of the world against the arrogance of white supremacy — Frances Witherspoon