/ ˈreɪsɪzəm; NAmE / noun [ U ] ( disapproving )
1.
the unfair treatment of people who belong to a different race; violent behaviour towards them :
a victim of racism
ugly outbreaks of racism
2.
the belief that some races of people are better than others :
irrational racism
► ra·cist / ˈreɪsɪst; NAmE / noun :
He's a racist.
► ra·cist adjective :
racist thugs
racist attitudes / attacks / remarks