Metamour (noun) – Your lover’s lover. In polyamory you may have a romantic relationship with someone who has more than one ongoing romantic relationship. Someone that your romantic partner is in such a relationship with, but you are not, is a Metamour.


Chris is in a romantic relationship with Jenny. Diva is also in a romantic relationship with Chris. Diva and Jenny are metamours.


A relationship style in which a person shares sex and/or romantic love with one other person. Most commonly, monogamy is practiced by couples that are exclusively sharing sex and romantic love with each other. There are relationships in which one partner practices monogamy, while their partner practices some form of non-monogamy.

Open Relationship

Any relationship structure that is not monogamous. This can include polyamory, relationship anarchy, swinging, or any romantic or sexual connection that allows for other romantic or sexual connections.


Robin and Charlie are married to each other and have an open relationship. Robin occasionally has sex with Ryley. Charlie has a long-term romantic relationship with Jaylin.

See Also