monogamousness

/məˈnɑɡəməsnəs/
noun
  1. The state or quality of being married to or having a sexual relationship with only one partner at a time.
    • The study examined the monogamousness of different bird species.
    • Their monogamousness was never questioned by their friends.
    • Many cultures value monogamousness as the foundation of family life.
Antonyms