Definitions for voyeurism
a perversion in which a person receives sexual gratification from seeing the genitalia of others or witnessing others' sexual behavior
The derivation of sexual satisfaction by watching people secretly, especially when those being watched are undressed or engaging in sexual activity.
The derivation of satisfaction by obsessively watching or following sensational or sordid subjects.
U.S. National Library of Medicine
A paraphilia characterized by repetitive looking at unsuspecting people, usually strangers, who are either naked, in the act of disrobing, or engaging in sexual activity, as the method for achieving sexual excitement.