Blue milk is a term commonly associated with the Star Wars franchise that refers to a fictional type of milk with a distinct blue hue. However, there are several other synonyms that can be used to describe this distinctive liquid. Some possible options include azure milk, cobalt milk, navy milk, and sapphire milk. Each of these terms captures the deep, rich shades of blue that characterize blue milk in the Star Wars universe. Other alternatives might include phrases like "galactic milk" or "space milk," both of which evoke the idea of otherworldly beverages that are not of this world.