The word "most concluded" implies that something has reached an ending or resolution. Antonyms for this phrase can include words that indicate ongoing or never-ending processes, such as "open-ended," "unfinished," "inconclusive," or "undecided." Other antonyms may suggest the opposite of coming to a conclusion, such as "in progress," "ongoing," "undecided," or "unsettled." Alternatively, antonyms may indicate a state of confusion or chaos, such as "in turmoil," "uncertain," or "in disarray." Ultimately, the antonyms for "most concluded" highlight the various stages and states of a process, from the initial stages of exploration to the ongoing work of discovery and the uncertain nature of outcomes.