The phrase "broke up with" is commonly used to describe the end of a romantic relationship, but there are several synonyms that can be used to convey the same meaning. These include "ended things with," "called it quits with," "split up with," "parted ways with," and "separated from." Each of these phrases can be used in context to accurately describe the end of a relationship. It is important to remember that each phrase carries its own connotations and should be chosen carefully based on the tone and intention of the speaker or writer.