monogamousness

n.

1.

The state of being monogamous; having one wife at a time.

Thesaurus

Noun

1.

monogamousness - having only one spouse at a time monogamy marriage, matrimony, spousal relationship, wedlock, union - the state of being a married couple voluntarily joined for life (or until divorce); "a long and happy marriage"; "God bless this union" monogyny - having only one wife at a time serial monogamy - a succession of short monogamous relationships (as by someone who undergoes multiple divorces)