Abrupt rise refers to a sudden and rapid increase in something. There are several synonyms that can be used interchangeably with the phrase 'abrupt rise'. These synonyms include, but are not limited to, sudden surge, steep incline, sharp ascent, rapid growth, dramatic escalation, and meteoric hike. Each of these synonyms provides a unique way to describe an unexpected jump in something. For example, sudden surge may be used to refer to a quick increase in the demand for a particular product. On the other hand, meteoric hike may be used to describe the skyrocketing price of a stock in the stock market. In summary, the synonyms for abrupt rise offer various ways to describe an abrupt and sudden increase in something.