Before revision: Monogamy: having a single long-term romantic and sexual partner Ménage à trois: having a domestic arrangement with three people sharing romantic or sexual relations; typically a traditional marriage along with another committed individual, usually a woman Polygamy: having multiple long-term sexual partners Polyandry: having multiple long-term male sexual partners Polygyny: having multiple long-term female sexual partners
After revision: Monogamy: having a single long-term romantic and sexual partner Ménage à trois: having a domestic arrangement with three people sharing romantic or sexual relations; typically a traditional marriage along with another committed individual, usually a woman Polyamory: encompasses a wide range of relationships; polyamorous relationships may include both committed and casual relationships.