incestuous 1. Relating to or involving a sexual relationship between two people who are considered, for moral or genetic reasons, too closely related to have such a relationship. 2. Having had a sexual relationship with someone who is considered to be too close as a relative. 3. Unhealthily intimate or interconnected; especially, so as to exclude... Found on http://www.wordinfo.info/words/index/info/view_unit/2232/
involving incest. · guilty of incest. · being so close or intimate as to prevent proper functioning: an incestuous relationship between organized crime and government. Found on https://www.infoplease.com/dictionary/incestuous