sa‧dis‧m /ˈseɪdɪzəm/ noun [uncountable]
[Date: 1800-1900; Language: French; Origin: sadisme, from the Marquis de Sade (1740-1814), French writer who described cruel sexual practices]

1. behaviour in which someone gets pleasure from hurting other people or making them suffer ⇒ masochism:
There seemed to be an element of sadism in the training regime.

2. when someone gets sexual pleasure from hurting someone ⇒ masochism

[TahlilGaran] Dictionary of Contemporary English ▲