There are several synonyms for the term "interpretative bigamy," which refers to the practice of marrying multiple partners in succession while interpreting this behavior as not violating the norms of monogamy. One such synonym is "serial monogamy," which refers to a pattern of committing to a single partner for a period before moving on to another. Another similar term is "monogamish," which refers to a relationship that is mostly monogamous but allows for occasional non-monogamous behavior. Other terms that might be used include "ethical non-monogamy," "consensual non-monogamy," or "polyamory," which generally refer to the practice of having multiple romantic partners with the consent of all involved.