1. a person who practices polygamy (marriage to more than one spouse at the same time)

Examples

• The polygamist had three wives and lived in a large compound.
• In some cultures, being a polygamist is legally accepted.
• The documentary explored the life of a modern polygamist family.
• He was prosecuted for being a polygamist in a state where it’s illegal.
• The polygamist community lived separately from mainstream society.
• She left the polygamist sect to pursue an independent life.