Definition of Depersonalisation

• emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness
• (existentialism) a loss of personal identity; a feeling of being an anonymous cog in a stupid social machine
• 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"