The phrase "being one's fate" implies the idea of predestination or the predetermined course of events in one's life. However, it is important to note that not everyone believes in the concept of fate, and there are antonyms that contradict the idea. For instance, the antonym "free will" suggests that individuals have the power to control their destinies and create their own paths in life. Other antonyms include "indecision," "uncertainty," and "chaos," all of which imply a lack of predetermined outcomes in one's life. Ultimately, whether one believes in fate or not, it is imperative to take responsibility for one's decisions and actions towards achieving a fulfilling life.