"Had at it" is a phrase that implies a heated argument or confrontation. Antonyms for this phrase can be gentler or more peaceful alternatives, such as compromise, reconciliation, or agreement. These words indicate a willingness to find common ground and work together, rather than engaging in verbal or physical conflict. Other antonyms for "had at it" might include collaboration, cooperation, or understanding, which suggest a respectful and productive relationship between individuals or groups. Ultimately, when we seek solutions rather than arguments, we can build stronger connections and achieve greater success in our personal and professional lives.