The antonyms for the word "un-purified" are "purified", "refined", "clean", "clarified", "purged", "sanitized", and "sterilized". These words indicate the opposite of un-purified, which means something that has impurities, contaminants, or imperfections. Purified refers to something that is free from impurities or contaminants, while refined means something that has undergone a process to remove impurities. Likewise, clean indicates something that is free from dirt, dust, or stains. Clarified and purged mean that something has been cleared of all impurities or contaminants. Lastly, sanitized and sterilized mean that something has been made clean, hygienic, and free from germs or bacteria.