(chiefly psychiatry) The enjoyment of inflicting pain or humiliation without pity.

plural of sadism

(historical, psychiatry) One of the four subtypes of sadistic personality disorder as defined by the American psychiatrist Theodore Millon. Includes features of avoidant personality disorder

(historical, psychiatry) One of the four subtypes of sadistic personality disorder as defined by the American psychiatrist Theodore Millon. Includes features of obsessive-compulsive personality disorder

(historical, psychiatry) One of the four subtypes of sadistic personality disorder as defined by the American psychiatrist Theodore Millon. Includes features of passive-aggressive personality disorder

(historical, psychiatry) One of the four subtypes of sadistic personality disorder as defined by the American psychiatrist Theodore Millon. Includes features of borderline personality disorder.