The word "un-sullied" refers to something that is clean, pure, and free from any blemishes or impurities. The antonyms of un-sullied can be defined as something that is tainted, soiled, contaminated, or impure. These words describe items or ideas that have lost their original purity or cleanliness due to the introduction of foreign substances, dirt, or infection. Synonyms for the antonyms of unsullied include impure, defiled, stained, blemished, unclean, and spoiled. In contrast to un-sullied, these words convey negative connotations and suggest that something has been compromised or corrupted in some way.