Breaking in two refers to a situation when an object, material or even a relationship splits up into two parts. This phrase can be replaced with many synonyms, including splitting, severing, dividing, cleaving and fragmenting. When an object is pulled apart with force, it can be described as fracturing, shattering or splintering. Emotionally, people who experience a painful breakup may use the phrase "heartbreaking", which can be replaced with phrases like "crushing" or "devastating." The phrase "breaking up" is commonly used to describe the end of a relationship, which can also be described as "splitting apart" or "parting ways." There are many synonyms for breaking in two, each with their own unique connotations and levels of intensity.