Incest Incest is one of the most interesting taboos of our time. The definition of incest is a highly controversial topic. Yet, the definition of incest is one of the most important definitions for the people involved, though the law's and psychologists' meanings are not much the same. Incest needs to be similarly defined for the incestuous parties, both by the law and by psychologists. The definition of incest should be determined by the cases of incest. The people who commit incest, and the types of incest should be considered when making this definition for the law. Why incest occurs has a great deal to do with