Roll off is a common term used to describe the movement of a heavy object from a higher point to a lower point. The term can also be used to describe the decline or decrease of something. However, it is important to note that there are several synonyms that can be used in place of the term "roll off". Some of the most common synonyms for roll off include slide, descend, decline, drop, diminish, plummet, and dwindle. Depending on the context and the subject matter, any of these synonyms could be used to describe the movement or decline of an object or situation.