sadism
noun
[ ˈseɪdɪz(ə)m ]
• the tendency to derive pleasure, especially sexual gratification, from inflicting pain, suffering, or humiliation on others.
• "beneath the apparent loving concern she had glimpsed spite and sadism"
Similar:
schadenfreude,
callousness,
barbarity,
bestiality,
perversion,
viciousness,
brutality,
cruelty,
savagery,
fiendishness,
cold-bloodedness,
inhumanity,
ruthlessness,
heartlessness,
mercilessness,
pitilessness,
Origin:
late 19th century: from French sadisme, from the name of the Marquis de Sade, Comte de.