Definitions
1.NounA person who believes in or supports racism; a person who believes that a particular race is superior to others, or who discriminates against other races.
2.NounA person who races (cars, etc.).
3.AdjectiveConstituting, exhibiting, advocating, or pertaining to racism.
4.AdjectiveDiscriminatory."They don't allow Muslims and gays to join the club? That's racist!"