ultraracism en · NOUN
Etymology
From ultra- + racism.
Meanings
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(uncountable) Extreme racism, the belief in the superiority of one's ethnic group or race
Sophisticated marketing strategies for the film were countered by concerted African American efforts to assure that the ultraracism of the book was not manifested in the film.
2015, James Gilbert Ryan, Leonard C. Schlup, Historical Dictionary of the 1940s, page 157: