The initial object is a term used to describe the starting point of something. Its antonyms refer to the opposite, or the end point of an action or event. Some of the popular antonyms for initial object include final, conclusive, ultimate, finishing, and ending. These words are used to describe the end of a task, journey, or event. For instance, if someone is writing a book, the initial object is the first chapter, while the final object is the last chapter. Similarly, the initial object in a race is the starting line, while the final object is the finish line. Overall, the antonyms for initial object are essential in describing the opposite point of a process or event.