Polygamy is being married to more than one person at the same time, whereas polyamory involves both married partners having the freedom to have relationships outside their primary relationship. Polyamory is not a sexual orientation, but more of a lifestyle choice.

Can you marry in a poly relationship?

Some polyamorous people are married and have partners outside of their marriage. However, polygamy exclusively describes relationships where people are married. Polyandry and polygyny are both forms of polygamy (in other words, they involve marriage too).

What is a poly marriage?

Polyamory (from Greek πολύ poly, many, and Latin amor, love) is the practice of, or desire for, intimate relationships with more than one partner, with the informed consent of all partners involved.