1. Injury or damage resulting from some judgment or action of another in disregard of one’s rights.
  2. Preconceived judgment or opinion.
  3. An adverse opinion or leaning formed without just grounds or before sufficient knowledge.
  4. An instance of such judgment or opinion.
  5. An irrational attitude of hostility directed against an individual, a group, a race, or their supposed characteristics.

The emotion of Prejudice is found in the Lung meridian in the Metal element.

Definition from Dictionary by Merriam-Webster.