The term "more zigzagged" implies a meandering, winding or twisting motion, which can be described by a range of antonyms that suggest a more direct or straightforward path. These may include terms such as straight, linear, direct, even, uniform and consistent, as well as concepts such as stability or predictability. By contrast, antonyms that suggest a further deviation or complication from this motion may include terms such as meandering, winding, curving or tortuous, as well as unstable or unpredictable. Ultimately, the choice of antonyms for "more zigzagged" will depend largely on the context in which the term is used, as well as the specific ideas or emotions that are trying to be conveyed.