A marriage form or custom in which a woman has only one husband at a time. Also known as a mating pattern in which a female mates with only one male in a single breeding season.

The practice or custom of an intimate relationship or marriage between two people exclusively.

The practice of engaging in multiple sexual relationships with the consent of all the people involved. (non-married).

Poly is a vague term used to describe relationships that consist of more than 2 people. Many people that are strictly polygynous, avoid using the term poly, because it is open to too many alternative relationship models, and is generally linked to polyamorous or more fluid relationships that do not require marriage. Polyamorous relationships do not require marriage.

The practice in which a woman has more than one husband at the same time.

The practice or custom of having more than one wife or husband at the same time. This could be a man with multiple wives or a woman with multiple husbands. Polygamy is an umbrella term which includes polygyny, polyandry or polygynandry.

Several females and several males form one marriage.

The practice in which a man has more than one wife at the same time.

The practice in which a man's wives are blood sisters.

The practice in which a man has more than one wife at the same time, and in which the wives are intimately involved sexually with each other, or together with the husband (the wives are not married to one another, only to the husband).

Group marriage is a non-monogamous marriage-like arrangement where three or more adults live together (usually consisting of several men with several women), all considering themselves marital partners, sharing finances, children, and household responsibilities. Depending on the sexual orientation and activity of the members, all adults in the family may be sexual partners.

Also know as unlawful polygyny. This type of unknowingly unstructured polygynous behavior produces baby mamas, dishonesty, hiding, cowardice, cheating, conflict, domestic violence, threesomes hunting, and involved with a bunch of low frequency, smoking weed all day with no job, financially unstable, addictive, dysfunctional drama addicts, fighting each other, going to jail, jealous as hell, no structure, talking about polygyny while you living in your mama's basement, STDs, it's just silly, messy, messy, messy!!