(psychoanalysis) the unconscious mind. It is said to be the sum of all thoughts, memories, impulses, desires, feelings, etc., o f which the individual is not conscious but which influence his emotions and behavior. In actuality, the "unconscious" is the sum of all a man's bad experiences and nothing more mysterious than that. In Dianetics and Scientology it is called the reactive mind. See also reactive mind in this glossary.—Conquest of Chaos Approved Glossary (8.7.92)