Voyeurism is when a person gets sexual pleasure from the fact that they can see other people doing things that are normally private, such as getting undressed, or being naked, or having sex. The people being watched are usually not aware of the voyeur (watcher). Voyerurism is an important concept in movie. Some movies can be voyeuristic, even if they do not have sex or nudity in them.
- "Voyeurism". Black's Medical Dictionary, 42nd Edition. 2010. Retrieved 14 July 2011.