The term 'inter-fuse' refers to the process of blending or merging two or more substances, ideas, or concepts into a single entity. Antonyms of 'inter-fuse' include words like divide, segregate, separate, isolate, disjoin, detach, and disconnect. These words suggest the act of pulling apart or severing something that was once joined or merged. For example, when we speak of separating oil and water, we're describing the opposite of inter-fusion, where two immiscible substances are prevented from blending. Ultimately, inter-fusion and its antonyms are important concepts that help us understand the dynamics of various natural and artificial processes.