Coadunated refers to the state of being united or merged together. Its antonyms are words that describe the opposite of unity or merging. The first antonym is separated, which means to keep apart or disconnect. Another antonym is fragmented, which means to break or divide into smaller parts. Another opposite of coadunated is scattered, which means to spread out in different directions. Lastly, disordered is an antonym for coadunated, which refers to things not being arranged in a proper or logical way. These antonyms serve as a contrast to the idea of coadunation, highlighting the importance of unity and coherence in various situations.