Sadism

Noun

 * 1)  the enjoyment of inflicting pain without pity
 * 2) achievement of sexual gratification by inflicting pain on others
 * 3) gaining sexual excitement and satisfaction by watching pain inflicted by others on their victims
 * 4) a morbid form of enjoyment achieved by acting cruelly to another, or others
 * 5) (in general use) Deliberate cruelty, either mental or physical; also refers to cruelty inflicted upon animals, regardless of gratification

Related terms

 * sadist
 * sadistic
 * sadomasochism

Thesaurus
active algolagnia, algolagnia, algolagny, amphierotism, animality, atrociousness, autoeroticism, barbarity, barbarousness, beastliness, bestiality, bisexuality, bloodiness, bloodlust, bloodthirst, bloodthirstiness, bloody-mindedness, brutality, brutalness, brutishness, cannibalism, coprophilia, cruelness, cruelty, exhibitionism, ferociousness, ferocity, fetishism, fiendishness, fierceness, heterosexuality, homoeroticism, homosexualism, homosexuality, incest, incestuousness, inhumaneness, inhumanity, lesbianism, masochism, narcissism, necrophilia, paraphilia, passive algolagnia, pedophilia, ruthlessness, sadistic cruelty, sadomasochism, sanguineousness, sapphism, savagery, scotophilia, sexual inversion, sexual normality, sexual preference, swinging both ways, transvestitism, tribadism, tribady, truculence, vandalism, viciousness, violence, voyeurism, wanton cruelty, zooerastia, zoophilia