The word "most cosmogonal" refers to something that is expansive, universal, and all-encompassing. Therefore, antonyms for this word would be terms that imply something that is narrow, limited, or localized. Some possible antonyms for "most cosmogonal" include words such as provincial, regional, parochial, insular, and isolated. These words suggest a sense of being focused on a specific area or viewpoint rather than embracing a larger, more inclusive perspective. By contrast, "most cosmogonal" denotes something that is expansive and all-encompassing, representing a broad understanding of the universe and its infinite possibilities.