The antonyms of "sat still for" consist of words that represent actions or movements that are the opposite of sitting still. These antonyms include words like moving, walking, running, and fidgeting. Moving refers to any type of movement or motion, which could be as simple as stretching or as complex as dancing. Walking involves taking steps with the legs, while running is a faster version of walking that involves a greater degree of physical exertion. Fidgeting refers to small, repetitive, involuntary or conscious movements made by a person while they are sitting or standing. Embracing these antonyms provides a way to break out of sedentary habits and engage in more physical activity.