Antonyms for the word "in-stilling" would be removing, eradicating, or eliminating. In-stilling is defined as imparting, instilling or implanting knowledge or beliefs in someone gradually. On the other hand, removing is the opposite of instilling, which means to take out, erase, or obliterate something. When something is eliminated, it is removed or entirely taken away, and nothing remains. Eradicating means destroying or putting an end to something harmful or unwanted. These words, which are antonyms for in-stilling, demonstrate the idea of reversing or undoing the process of instilling knowledge or beliefs.