Purple in the face is typically used to describe someone who is extremely embarrassed or angry. However, there are a few other phrases that can be used as synonyms for this expression. For example, one could say that someone is "red-faced" or "flushed" to describe a similar level of embarrassment. Alternatively, for someone who is angry, you may use the phrase "seeing red," "fuming," or "enraged." While these phrases are not exactly the same as purple in the face, they all communicate a sense of intense emotion. Overall, there are many ways to describe someone who is feeling extremely passionate, and purple in the face is just one of many possibilities.