The phrase "cleanse away" refers to the act of removing dirt or impurities thoroughly. There are various synonyms for this phrase, depending on the context in which it is used. For instance, a common synonym is "wash off," which means to remove dirt or stain by using water or a detergent. Another synonym is "scrub off," which means to clean thoroughly using a scrubber or a brush. "Purge" is also another synonym which means to get rid of undesired or harmful materials completely. Other synonyms include "rinse away," "flush out," "eliminate," and "detoxify." These synonyms provide alternatives for writers, speakers, and individuals to use, depending on the language, audience, or purpose of their statements.