The antonyms for "being on the move" would be "stationary," "immobile," "static," and "motionless." When someone is stationary, they are not moving at all. They are completely still and not making any progress toward a destination. Immobile means the same thing as stationary, but it also implies that the person cannot move or is stuck where they are. Static means that the person is not moving or changing, and motionless means completely still without any movement at all. These words are the opposite of being on the move, which means to be actively traveling or making progress toward a destination.