Bush-whacker is a term commonly used to describe someone who moves or cuts through dense bushes or undergrowth. However, this term has various synonyms, which can bring more depth to your conversation or writing. Some synonyms include jungle-runner, thicket-cutter, and brush-crawler. Other phrases like forest forager or woodland wanderer may also be used, depending on the context in which the term is being used. Additionally, survivalists and explorers might use other synonyms such as wilderness navigator or backwoods expert to describe someone who is skilled at moving through the wilderness. Regardless, these synonyms help to capture the essence of someone who can adeptly navigate through dense vegetation.