I've never seen anyone act overly prejudiced/racist until the internet and some anti immigration protests
a. An adverse judgment or opinion formed beforehand or without knowledge or examination of the facts.
b. A preconceived preference or idea.
2. The act or state of holding unreasonable preconceived judgments or convictions. See Synonyms at predilection.
3. Irrational suspicion or hatred of a particular group, race, or religion.
1. The belief that race accounts for differences in human character or ability and that a particular race is superior to others.
2. Discrimination or prejudice based on race.