The phrase "more swinish" implies a level of boorishness or lack of manners. Antonyms for this phrase could include refined, polished, genteel, or sophisticated. These terms suggest a level of elegance and cultured behavior in contrast to the crassness associated with being swinish. Additionally, words such as respectful, courteous, gracious, and considerate could be considered antonyms, as they suggest a level of thoughtfulness and consideration towards others that is lacking in those who exhibit swinish behavior. By embracing these alternative attributes, individuals can elevate themselves and their interactions with the world around them.