The word "puffed out" is often used to describe someone who is out of breath or exhausted. However, there are a few synonyms that can be used in its place to add variety and depth to your writing. For instance, the term "winded" can be utilized to describe someone who is gasping for air. Alternatively, "breathless" can be used to express the same sentiment while adding an extra level of intensity. Other options include "heaving," "panting," or "exhausted." By using different synonyms, you can convey the same idea while keeping your writing fresh and engaging.