There are several synonyms for the phrase "chipping away at" which are commonly used in the English language. Some of the most frequently used alternatives include phrases like "working at," "honing," "gradually improving," "steadily progressing," and "slowly but surely making progress." All of these phrases convey the idea of persistent effort towards achieving a goal or improving a situation, and can be used in a variety of contexts, including personal and professional endeavors. Whether it's chipping away at a difficult task or chipping away at an obstacle to success, using synonyms for this phrase can help to add variety and nuance to your writing while still conveying the same basic concept.