DictionarymonogamousOne partner at a time
adjective

monogamous

muh-NAH-guh-mus/məˈnɑːɡəməs/

Having only one sexual or romantic partner at a time.

The monogamous couple hold hands, their matching wedding bands visible.

An older East Asian married couple holding hands with matching wedding bands, affectionate partnership.
Etymology

The roots express “single marriage.” Originally describing someone who married only once, the word came to describe having only one spouse at a time; the selected sense extends this to sexual partners.

In context

Three Minutes Outdoors0:37
bald eagle couples are monogamous and they stay together for life
All About Bald Eagle Nests

More examples

  • We agree to be monogamous before moving in together.
  • She wants a monogamous relationship, but he prefers dating several people.
  • You can be monogamous without being married.

Forms

monogamy noun — Having only one romantic or sexual partner.

Similar words

exclusive
Describes a relationship whose partners agree not to date others.
faithful
Stresses loyalty to a partner rather than partner count.