The term "most amoral" represents a strong negative connotation of lacking moral principles or values. The antonyms for this phrase would be "most ethical," "most principled," or "most virtuous." These terms suggest the opposite meaning of having a strong sense of moral direction and just behavior. Additionally, words like "most righteous" and "most noble" represent moral ideals that are highly respected and cherished by individuals and societies. Therefore, the use of these antonyms can provide a more positive description of an individual's or organization's actions, beliefs, and values that align with a moral and ethical code.