The word "coheres" means to stick together or be united in a logical or consistent way. Some antonyms for "coheres" could include words like disintegrate, diverge, scatter, fragment, or disperse. These words all suggest a lack of unity or coherence, indicating that something is falling apart or breaking down. For example, if a team doesn't cohere, it might disintegrate into individual members going their own way. Similarly, if an argument doesn't cohere, it might fragment into a series of unrelated points. Antonyms for "coheres" are useful words for describing situations where things are not coming together in a cohesive or organized way.