Looking for synonyms for the word "ball-buster"? Here are some options - tough cookie, go-getter, hard worker, difficult taskmaster, no-nonsense person, a stickler for perfection, a task-master, a perfectionist, an overachiever. All these words are great ways to describe someone who's incredibly hardworking, determined, and meticulous in their work. While "ball-buster" might be seen as a derogatory term, these synonyms all focus on the positive aspects of someone who's great at getting things done. So whether you're looking to inspire yourself or someone else, these synonyms are a great way to do it.