paraphilia /per′əfil″yə/ [Gk, para + philein, to love] , sexual perversion or deviation. A condition in which the sexual instinct is expressed in ways that are socially prohibited or unacceptable or are biologically undesirable, such as the use of a nonhuman object for sexual arousal, sexual activity with another person that involves real or simulated suffering or humiliation, or sexual relations with a nonconsenting partner. Kinds include exhibitionism, pedophilia, transvestism, voyeurism, zoophilia. −paraphiliac, adj., n.
