Antonyms for the word "more unremembered" would include "memorized," "recalled," "remembered," and "retained." These words refer to the opposite of forgetting or being unable to recall something from memory. Other antonyms could include "familiar," "known," "famous," and "notable," which imply that the information or topic in question is well-known and recognized. Additionally, words such as "recognizable," "identified," and "acknowledged" could be used as antonyms, indicating that the information or topic is undisputed and widely recognized. Together, these antonyms provide a comprehensive list of words that describe the opposite of something that is "more unremembered.