PREJUDICE

• An unfavorable opinion or feeling formed beforehand or without knowledge, thought, or reason.
• Any preconceived opinion or feeling, either favorable or unfavorable
• Unreasonable feelings, opinions, or attitudes, esp. of a hostile nature, regarding a racial, or religious group.

Stereotype
A generalization, usually exaggerated or oversimplified and often offensive, that is used to describe or distinguish a group.

RACISM

• A belief that inherent differences among the various human races determine cultural of individual achievement, usually involving the idea that one’s own race is superior and has the right to rule others.
• Hatred or intolerance of another race or races.