Prejudice means preconceived opinion that is not based on reason or actual experience. The word comes from the Latin "pre" (before) and "judge". People may prejudge any question, but the word is often used for an opinion about a person or group of people. English understanding of the Latin has changed in past centuries. In old English the word "prejudice" denotes the use of "good judgment" before an event, e.g., "I decided (showed prejudice) not to run with the bulls because I could have been hurt.