Modifies a noun

• marriage: A polygamous marriage between partners, one or both of whom are domiciled in England, Wales or Northern Ireland is not valid.

• relationship: An ironic move, one may argue, from the Leader of a party, some of whose members enjoy'secret ' polygamous relationships.

• union: Girls are often forced into polygamous unions against their will.

• society: Historians believe that the Guanches lived in a polygamous society, with every woman having an average of three husbands.

• family: I was born into a Yoruba, Western Nigeria, Moslem polygamous family of 16.