The term "inter-blend" generally refers to the mixing or combining of two or more things into a single, cohesive unit. As such, possible antonyms could include words that imply segregation or separation, such as "disentangle," "disjoin," or "disunite." Other antonyms might emphasize contrast or differentiation, such as "diverge," "contrast," or "differ." Alternatively, antonyms could focus on the idea of keeping things distinct, such as "segregate," "differentiate," or "part." Ultimately, the choice of antonym will depend on the context and intended meaning of the phrase "inter-blend.