A condition in which a man has one wife and a woman has one husband.
A pledged relationship in which neither partner has sex with anyone else. In a monogamous relationship, both partners make this promise. Unless or until it is certain that a monogamous relationship exists, doctors recommend using a condom as protection against sexually transmitted diseases.
A long-term exclusive sexual affiliation.
The state of being married exclusively to a single individual or engaging in a monogamous relationship with only one sexual partner at any given time.