The term "over burden" refers to a situation where someone is weighed down by excessive tasks or responsibilities, resulting in overwhelming stress or pressure. The antonyms for "over burden" are lightness, ease, and freedom. In other words, when someone is not overburdened, they feel light, with minimal workloads or responsibilities. They feel at ease, with a relaxed and stress-free mindset, and they have the freedom to do what they want without having to worry about completing numerous tasks. Therefore, as much as possible, it is essential to avoid situations that lead to overburdening and embrace circumstances that bring lightness, ease, and freedom.