Antonyms for the word "re-unites" include words like separates, divides, splits or estranges. In these situations, people or groups are torn apart or kept apart, leading to disunity and disconnection. Separation can be physical or emotional, and reasons for it can vary from disagreement to distance. Opposites of reuniting signify a disbandment, with relationships or groups splitting apart or individuals feeling isolated. While reuniting is often seen as a positive action, it's important to remember that sometimes separation can also be necessary for growth or well-being. In conclusion, antonyms of reuniting emphasize that sometimes breaking apart can be just as important as coming together.