The term "big zero" can be used to describe someone who is useless or incompetent. The antonyms for this phrase would be capable, skilled, and proficient. These words describe individuals who are highly capable and efficient in their work or other areas of life. They not only have the necessary skills and knowledge, but they also possess the drive and determination to get things done effectively. When we encounter people who are capable, skilled, and proficient, we can rely on them to deliver high-quality results and tackle complex tasks with ease. So, while a "big zero" may hold us back, working with people who embody the antonyms can help us achieve success.