The term "most easy-moving" can be seen as a positive characteristic, but when searching for its antonyms, it may depend on the context. For instance, if referring to a person, antonyms could include "rigid," "stubborn," "unyielding," or "inflexible." When discussing objects or situations, antonyms could comprise "static," "hard," "complicated," or "difficult."
In any case, using an antonym for "most easy-moving" stresses the opposite perspective, underscoring traits that should be avoided or improved. Whether referring to people, objects, or situations, there will always be an opposing quality that can alter the notion of "most easy-moving" into its antonym.