The word "dewiest" refers to something covered with dew, but there are many other synonyms you can use to describe the same thing. Here are some examples of alternative words you could use instead of "dewiest": moist, damp, wet, dew-covered, sodden, saturated, drenched, soaked, and dew-laden. Each of these words conveys a slightly different nuance, so consider which one suits your purposes best. For instance, "drenched" or "soaked" communicate a greater level of saturation, whereas "dew-covered" might be more appropriate in a more poetic or descriptive context. Whatever word you choose, make sure it is specific and evocative, so your readers can imagine the scene vividly.