There are plenty of synonyms for the phrase "bad romance." Some of the most common synonyms include dysfunctional relationship, toxic love affair, troubled relationship, and unhealthy partnership. Other synonyms could include tumultuous affair, complicated romance, and love gone wrong. These words all convey a sense of a relationship that is not healthy or fulfilling for those involved. Whether it's due to constant arguing, emotional manipulation, or deep-seated issues, a bad romance is one that many people have experienced at some point in their lives. Regardless of the term used, it's important to recognize when a relationship is not working and take steps to move on and find something better.