17 letters · 29 points in Scrabble
noun emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness
noun (existentialism) a loss of personal identity; a feeling of being an anonymous cog in an impersonal social machine
noun representing a human being as a physical thing deprived of personal qualities or individuality
originCalque of French dépersonnalisation, equivalent to de- + personalization.
Etymology from Wiktionary, CC BY-SA 3.0