monogamist
/məˈnɑɡəmɪst/
noun
- A person who practices or advocates monogamy, the custom of being married to or having a sexual relationship with only one person at a time.
- The speaker, a committed monogamist, argued that monogamy strengthens family bonds.
- He described himself as a monogamist and was not interested in open relationships.
- As a monogamist, she believed in building a life with one partner.
Antonyms