The antonyms for the word "made impure" are "cleansed," "purified," "refined," "clarified," "sanitized," and "sterilized." Cleanse means to make something clean or free of dirt, impurities or unwanted substances. Purify means to remove impurities from something or to make it pure. Refine means to remove unwanted substances and to make something more pure or clear. Clarify refers to making something clear or easy to understand by removing confusion or ambiguity. Sanitize is the process of making something free from harmful bacteria, viruses, and other microorganisms. Sterilize means to make something free from all living organisms, including bacteria and viruses.