The term "most contrarient" implies a high degree of opposition or contradiction. In this context, some possible antonyms could include "agreeable," "cooperative," "congenial," "compliant," or "harmonious." Other antonyms might include "similar," "like-minded," or "congruent," indicating a lack of significant differences or conflicts between individuals or groups. Whether in personal relationships, professional settings, or broader social contexts, the opposite of "most contrarient" is often characterized by a willingness to work together, to find common ground, and to respect differing opinions and perspectives.