The antonyms for "were on track of" are generally negative or indicate a setback. The following words are antonyms for the phrase: off course, derailed, lost, off track, wayward, veered, sidetracked, and stalled. If you are no longer on track, it means that you have deviated from your intended path or goal. We use this phrase to describe a positive progression, momentum or a successful project. Therefore, the antonyms suggest that there has been an interruption in progress or momentum, causing delays or even a complete halt. It is important to recognize these antonyms, so that necessary steps can be taken to get back on track.