Coadunate is a term used to describe things that are closely joined or united. Its antonyms, on the other hand, describe its opposite--things that are separate, disconnected or disunited. Some antonyms of coadunate are unconnected, disjointed, disparate, incoherent, detached, and disassociated. These words are often used to describe relationships, ideas, or things that are not closely linked or are unrelated. For example, an incoherent speech may be disjointed, and the ideas presented may not seem to fit together. In contrast, a coadunate speech is one in which the ideas are seamlessly woven together, creating a unified message.