Being on track of something means being focused and making progress towards achieving a goal or objective. Antonyms for this phrase would involve terms that suggest a loss of direction, lack of focus, or stagnation. Some possible antonyms for being on track of might include terms like being lost, directionless, disoriented, unfocused, or derailed. Other antonyms might involve language that suggests a lack of progress or forward momentum, such as stuck, stagnant, or stalled. These antonyms can help to highlight the importance of maintaining focus and momentum in order to achieve success and stay on track towards our goals.