Off track is a phrase that usually means getting sidetracked or losing focus. There are a number of synonyms that can be used in place of this phrase. One alternative is "off course", which means to deviate from the intended path or plan. Another synonym is "distracted", which refers to being unable to concentrate or paying attention to relevant details. "Lost" is another option, which refers to being unsure of one's location or direction. "Astray" is another possible synonym, which suggests being led away from a purpose or goal. In general, there are many synonyms that can be used to describe losing focus or getting sidetracked.