What are the opposite words for split down the middle?

Antonyms for "split down the middle" could include phrases such as "united," "whole," or "merged." These alternatives suggest an absence of division or separation, instead emphasizing a sense of unity or cohesion. Other antonyms could include words such as "complete," "integrated," or "intact," which are all associated with a sense of wholeness and consistency. By contrast, the phrase "split down the middle" implies a sharp division or separation, often accompanied by conflict or disagreement. Antonyms for this phrase thus offer contrasting images of harmony, integration, and completeness, emphasizing the value of coherence and collaboration.