Non-monogamy (or nonmonogamy) is an umbrella term for every practice or philosophy of non-dyadic intimate relationship that does not strictly hew to the standards of monogamy, particularly that of having only one person with whom to exchange sex, love, and/or affection.

What is a nonmonogamous relationship?

An openly non-monogamous relationship is one where partners agree that they want to be together and are open and honest about the fact that they have other partners. For this reason, it is also sometimes referred to as ethical non-monogamy.

What is an ENM relationship?

Ethical non-monogamy (ENM) is the practice of taking part in romantic relationships that are not completely exclusive between two people. It may involve only sexual connections with others, only romantic connections, or both romantic and sexual connections.