sadism: psychosexual disorder in whibsp;sexual urges are gratified by the inflibsp;of pain on another person.&erm ;bsp;by&e 19th-bsp;german psychologist ribsp;von krafft-ebihe marquis de sade, an 18th-bsp;frenan who ibsp;his own subsp;prabsp;sadism is often&o masobsp;(q.v.), in whibsp;sexual arousal&s fr pain, and many individuals respond iher&he sadist, however, often seeks a vibsp;who is not a masobsp;as some of the sexual& derives from the vibsp;uhe level a of sadistibsp;violenbsp;may vary siderably, from inflibsp;of mild pain in otherwise harmless love play to&reme brutality,&imes leading to serious injury or&h.&isfabsp;of the sadist may& not from inflibsp;absp;physibsp;pain but rather from the&al suffering of the vibsp;sexual urges may limit the level of violenbsp;but in some&he aggressive impulse bees& a progresses to&reme expressions of his&endenbsp;sadism may be a fabsp;in some& bsp;partibsp;rape and murder.