Perspiration is a natural process in which sweat is secreted through the sweat glands in our skin. Perspirer is a word commonly used to describe someone who is sweating. However, there are many synonyms to describe this phenomenon. Some common synonyms for perspirer are sweat, swelter, glow, exude, drip, and secrete. Each of these words describes the process of sweating in a different way, and can be used in different contexts depending on the situation. Whether you are playing sports, running a race, or working outdoors, there are many ways to describe the act of sweating, and these synonyms can help add variety and interest to your writing.