The phrase "made motion" simply means movement or action, and its antonyms can be broadly categorized as stillness, immobility or inaction. Some of the words that can be used as antonyms for "made motion" include: still, motionless, stationary, static, immobile, idle, inactive, sluggish or inert. These words suggest a lack of movement or activity, or a state of rest or repose. For example, if someone is "still" or "motionless", they are not moving at all. Similarly, if something is "inactive" or "sluggish", it is not engaging in any action or movement. These antonyms for "made motion" are important words to know, as they help to understand the nuances of language and communication.