The word "Unstill" can be interpreted in different ways, depending on the context in which it is used. This term can be replaced by several synonyms, depending on the meaning and intention behind it. For instance, the word "restless" can be a good substitute for "unstill" as it connotes a state of agitation or anxiety. Another synonym for "unstill" is "unsettled" as both words indicate a lack of stability or equilibrium. Additionally, "unquiet," "disturbed," and "turbulent" can be used interchangeably with "unstill" when describing a situation where things are in constant motion, chaos, or confusion.