When it comes to ending a romantic relationship, the phrase "breaking up" is often used. However, there are various other synonyms that can be used to describe this action. These include "splitting up," "calling it quits," "parting ways," "ending things," "separating," "going separate ways," "divorcing," "dissolving," "disbanding," "terminating," "cutting ties," "breaking things off," and "ending the relationship." Each of these phrases carries slightly different connotations and may be better suited for different situations. Ultimately, choosing the right synonym for "breaking up" can help communicate the seriousness and gravity of the situation.