Racism is a form of DISCRIMINATION based on race, ethnicity, or national origin. It can manifest itself in various ways, such as BIAS, BIGOTRY, PREJUDICE, INTOLERANCE, PARTIALITY, and DISCRIMINATION. BIAS is an inclination or PREJUDICE for or against one thing, person, or group compared to another. BIGOTRY is an attitude of hatred or INTOLERANCE towards a particular group of people. PREJUDICE is an unfavorable opinion or feeling formed beforehand or without knowledge, thought, or reason. INTOLERANCE is an unwillingness to accept views, beliefs, or behavior that differ from one's own. PARTIALITY is the practice of favoring one group over another. DISCRIMINATION is the unjust or prejudicial treatment of different categories of people or things.