split personality

split personality
    n 1: a relatively rare dissociative disorder in which the usual
         integrity of the personality breaks down and two or more
         independent personalities emerge [syn: {split personality},
         {multiple personality}]
    

60 Moby Thesaurus words for "split personality":
      alcoholic, alternating personality, antisocial personality,
      catatonia, catatonic schizophrenia, dementia praecox,
      depersonalization, disconnection, disordered personality,
      dissociation, dissociation of personality, disturbed personality,
      double personality, drug user, dual personality,
      emotional dissociation, emotionally unstable personality, escapist,
      hebephrenia, hebephrenic schizophrenia, hostile personality,
      hypochondriac, hypochondriast, idiot, imaginary invalid,
      immature personality, inadequate personality, inferior personality,
      malade imaginaire, maladjusted personality, mental dissociation,
      mentally defective personality, moral insanity,
      multiple personality, neuropath, neurotic, neurotic personality,
      paranoia, paranoid personality, paranoid psychosis, paraphrenia,
      personality disorganization, perverse personality, psychoneurotic,
      psychopath, psychopathic personality, psychotic,
      psychotic personality, schizoid, schizoid personality, schizoidism,
      schizophrenia, schizothymia, seclusive personality,
      sexual psychopath, shut-in personality, sociopath, valetudinarian,
      valetudinary, weak personality