Antonyms for the phrase "gotten on with it" could include "procrastinated," "delayed," "avoided," or "stalled." These words indicate a lack of action, movement, or progress towards completing a task or goal. Alternatively, antonyms could also include phrases such as "taken a break," "evaluated options," or "changed course," which suggest a deliberate pause or shift in direction. While the phrase "gotten on with it" implies a sense of urgency and determination, its antonyms highlight the many ways in which individuals may approach a task or goal, and the importance of finding a strategy that works best for each situation.