If you buy through links on this page, we may earn a small commission. Bars, minds, peanut butter jars. Well, many nonmonogamous folks would argue relationships belong on that list. What exactly is an open relationship? There are two different definitions. The idea is that monogamous means closed, and all types of nonmonogamous relationships are open. The second and more common definition, says that open relationships are one type of nonmonogamous relationship under the Ethical Nonmonogamous umbrella. Here, usually, open relationships are thought to occur between two people in a primary relationship who have agreed to open up their relationship sexually — but not romantically. Sex educator Davia Frost notes that often people who are polyamorous see it as being an integral part of their identity, much like some people see being gay or queer.
NPR One And it seems like they are. But the couple has a very private secret — one they were willing to share with Continual Thread listeners and readers. A a small amount while back, they decided to ajar their marriage up to new sexual partners and new experiences. They're akin to many couples who practice what is often known as consensual non-monogamy, before CNM.