The phrase "most coadunate" is often used to describe things that are very closely connected or fused together. To find an antonym for this phrase, we need to look for words that describe things that are not connected or separate. Some antonyms for "most coadunate" might include "disconnected," "disjointed," "separate," "isolated," "diverse," or "divided." These words all convey a sense of lack of connection or unity between things, which is the opposite of coadunation. Depending on the context, other antonyms might include "disassociated," "detached," "dissimilar," or "independent." By using antonyms for "most coadunate," we can create a clearer and more nuanced understanding of the relationships between things.