Taylor offers this definition: “A throuple is a relationship between three people who have all unanimously agreed to be in a romantic, loving, relationship together with the consent of all people involved.” You may also hear a throuple referred to as a three-way relationship, triad, or closed triad.

What is a multi partner relationship called?

Polyamory is a type of open or non-monogamous relationship that follows certain guidelines. Polyamory specifically refers to people who have multiple romantic relationships at the same time. It does not mean any type of open relationship that may include more casual sexual partners.