The phrase "gets on with it" implies moving forward with a task or responsibility without delay. Opposite antonyms of this phrase include procrastinating, stalling, dawdling, idling, and postponing. These procrastinating actions lead to a delay in completing tasks and achieving goals. Additionally, hesitating, vacillating or faltering may convey a lack of confidence, impeding efficiency and effectiveness. It is, therefore, important to avoid these antonyms and remain focused, proactive, and consistent in carrying out one's responsibilities. In conclusion, using antonyms for "gets on with it" can hinder productivity, and it is vital to overcome procrastination to achieve optimal success.