depersonalization n 1: emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness [syn: {depersonalization}, {depersonalisation}, {depersonalization disorder}, {depersonalisation disorder}, {depersonalization neurosis}, {depersonalisation neurosis}] 2: (existentialism) a loss of personal identity; a feeling of being an anonymous cog in an impersonal social machine [syn: {depersonalization}, {depersonalisation}] 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" [syn: {depersonalization}, {depersonalisation}, {reification}]