Racist: noun
meone who believes that their race makes them better, more intelligent, more moral, etc. than people of other races and who does or says unfair or harmful things as a result. Cambridge
Noun
Prejudice, discrimination, or antagonism directed against someone of a different race based on the belief that one's own race is superior. Oxford
Noun
a person who is racist : someone who holds the belief that race (see RACE entry 1 sense 1a) is a fundamental determinant of human traits and capacities and that racial differences produce an inherent superiority of a particular race. Webster
Adj
having, reflecting, or fostering the belief that race (see RACE entry 1 sense 1a) is a fundamental determinant of human traits and capacities and that racial differences produce an inherent superiority of a particular race. Webster
Racism
1 unfair treatment of people of a particular race in a society especially to the benefit of people of another race. 2 : the belief that certain races of people are superior to others. Webster
Racism
policies, behaviours, rules, etc. that result in a continued unfair advantage to some people and unfair or harmful treatment of others based on race. Cambridge