Noun

1. Unfair treatment of a person or group on the basis of prejudice. Treatment or consideration based on class or category rather than individual merit; partiality or prejudice: racial discrimination; discrimination against foreigners.
2. Neutral discernment.
3. The act of discriminating, distinguishing, or noting/perceiving differences which exist.
4. The state of being discriminated against, distinguished from, or set apart.
5. The arbitrary imposition of unequal tariffs for substantially the same service.
6. The quality of being discriminating; acute discernment; as to show great discrimination in the choice of means.
7. That which discriminates; mark of distinction.