noun A 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.
noun A person who exhibits hatred or prejudice against a race (species) of beings, such as an alien race or the human race.
adjective Constituting, exhibiting, advocating, or pertaining to racism.
adjective Discriminatory.
They don't allow Muslims and gays to join the club? That's racist!