The antonyms for the phrase 'conduct toward' are varied and depend on the context in which the phrase is used. If we take the phrase to mean treating someone in a respectful or appropriate manner, then antonyms could include disrespect, mistreatment, or rudeness. If we take the phrase to mean guiding or directing someone, then antonyms could include neglect, ignore, or abandon. Ultimately, the antonyms for 'conduct toward' are any words or phrases that represent the opposite of treating someone with respect or guiding them appropriately. Understanding the context in which the phrase is used is essential in selecting the appropriate antonyms.