racialistEtymology1910 (noun), 1917 (adjective). racial + -ist, from older racialism (1882).racialist means A believer or advocate of racialism, the ideology of racial nationalism. Lexicurio rates it Rare gem — a strength score of 84 out of 100.nounA believer or advocate of racialism, the ideology of racial nationalism.“It was a fundamentally racialist attitude which regarded the native people of empire countries as primitive simpletons only fit to be led by a breed of men of higher intellect and moral fibre.”A racist.