There are several synonyms for the phrase "was the up up." Some options include "was on the rise," "was improving," "was increasing," "was growing," or "was advancing." These phrases all indicate that there was a positive change or progress taking place. They can be used to describe a variety of situations, from the stock market to personal achievements. Using synonyms and varied language in writing or conversation can make communication more interesting and engaging, as well as help to avoid repetition or monotony.