What are the opposite words for adulterated?

The word "adulterated" means to make something impure or contaminated by adding harmful substances. In contrast, the opposite word for "adulterated" may be "pure" or "untainted." "Pure" means something that is not mixed with any foreign substance and is in its natural form. "Untainted" implies that something is clean and unspoiled, free of any undesirable or harmful qualities. Other antonyms for "adulterated" may include "uncontaminated," "unadulterated," and "unpolluted." These words convey a sense of cleanliness, purity, and naturalness, which are the qualities that people seek in their food, water, and environment.

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