The term "milled around" can be described as aimlessly wandering or loitering around a place. Its antonyms would be words that imply purposeful and intentional movement. Words like "marched", "strode", "strided", and "sashayed" convey deliberate and focused action. Additionally, words like "hurried", "rushed", "darted", and "scampered" denote quick and purposeful movement. Antonyms for "milled around" could also include words like "disperse", "scattered", "dispersed", and "evacuated", as they all imply movement with the intention of separating or moving away from a central location. Overall, the antonyms for "milled around" imply a sense of determination and direction, rather than aimlessness.