marriage to multiple spouses, one at a time. Multiple divorce and remarriages; It usually refers to what occurs when a husband, usually of average to high socioeconomic status, divorces an older wife and takes on a younger wife. (The younger wife is popularly referred to as the "trophy wife"** by many who frown upon the practice.)
Having multiple monogamous relationships over the course of a lifetime.
a succession of short monogamous relationships (as by someone who undergoes multiple divorces)
An increasingly common form of dating and marriage in which a person mates with just one other person at a time but then ends that relationship and forms another.
Long-term, exclusive sexual relationships entered into consecutively over the lifespan.
A marital practice in which a person has multiple marriage partners during their lifetime, but is limited to one spouse at a time.
situation in which a person has a series of consecutive sexual relations of various durations, such that he or she has multiple partners over time, but never more than one partner at any single point in time.
Serial monogamy is a form of monogamy in which participants have only one sexual partner at any one time, but have more than one sexual partner in their lifetime. Partners can be married or unmarried, but there are never more than one at a time. Within Western culture, this form of monogamy is considerably more prevalent than 'true' monogamy, which is having only one partner in an entire life.