Antonyms for the word "more unconcluded" include certain, decisive, definitive, determined, resolved, settled, and sure. These words denote a sense of finality and conviction, indicating that the matter at hand has been satisfactorily resolved. Meanwhile, the term unconcluded implies that a decision or resolution has not yet been made, which can create uncertainty and ambiguity. Thus, antonyms for the word "more unconcluded" can provide clarity, reassurance, and closure, particularly in situations where important decisions must be made. Consider using these antonyms to convey a sense of confidence and authority when discussing topics that require definitive action or resolution.