Discrimination means, at a very basic level, the act of separating out singular things or groups of things. It can be both an adjective and a verb.Discrimination is the unfair or prejudicial treatment of people and groups based on characteristics such as race, gender, age, or sexual orientation. Discrimination refers to the unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, sex, or disability. In your day-to-day life how often have any of the following things happened to you? 1. You are treated with less courtesy or respect than other people. 2. Stereotypes are oversimplified generalizations about groups of people. Discrimination means, at a very basic level, the act of separating out singular things or groups of things. It can be both an adjective and a verb. As Khaitan and Collins write, in the UK, "direct.