The word "more unexplained" implies something that is still not fully understood, mysterious, or perplexing. If we were to look for its antonyms, we would find words like "comprehensible," "logical," "understandable," and "explicable." These words denote that the subject at hand can be explained, understood, and rationalized. Other antonyms of "more unexplained" could be "known," "open," "revealed," and "explained," which depict ideas that have been discovered, disclosed, and clarified. By comparing and contrasting the antonyms of "more unexplained," we can get a better grasp of what we already comprehend, and what needs further investigation and clarification.