The word "wettish" is meant to describe something that is slightly damp or a little wet. Some synonyms for the word "wettish" include "damp," "moist," "humid," "wet," and "slightly wet." Additionally, words such as "dewy," "drizzly," "showery," and "muggy" can also be used to describe something that is wettish. These words are often used interchangeably depending on the context in which they are being used. Whether you are describing the weather or the feel of something, there are plenty of synonyms for the word "wettish" that can be used to paint a vivid and descriptive picture.