When it comes to synonyms for the phrase "high words," there are plenty of options to choose from. Some possible alternatives include phrases like "harsh language," "angry words," "vitriol," and "verbal attacks." Other options might include words like "insults," "sarcasm," "name-calling," and "condescension." Ultimately, the exact synonym that one chooses will likely depend on the context in which the phrase is being used. For example, if someone is simply trying to describe an argument that turned heated, "high words" might be the perfect synonym. However, if someone is looking to describe a more specific type of aggression, other synonyms might be more appropriate.