Noun

• 1. emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness

• 2. (existentialism) a loss of personal identity; a feeling of being an anonymous cog in a stupid social machine

• 3. representing a human being as a physical thing deprived of personal qualities or individuality;

  "according to Marx, treating labor as a commodity exemplified the reification of the individual"