There are a number of antonyms for the word "more concluded" which indicate the opposite of the word's meaning. Some of the most commonly used antonyms include "open-ended," "unclear," "uncertain," "indefinite," and "ambiguous." These words suggest that there is no definitive or clear conclusion to be drawn from a given situation or set of circumstances. Other antonyms might include terms like "ongoing," "unresolved," or "unfinished," all of which suggest that a situation or problem remains unresolved, either temporarily or permanently. Ultimately, the choice of antonym will depend on the context and intended meaning of the word "more concluded.