The word split-ups can be defined as a separation or a breakup. However, there are several antonyms for this word, which implies unity and togetherness. Reconciliation is an antonym of split-ups, as it represents the act of bringing together two parties that were previously separated. The word reunion is also an antonym of split-ups, indicating a gathering of people who were previously apart. Harmonization, unification, and consolidation are other antonyms of split-ups, which demonstrate the act of joining together or making things whole. These words signify the importance of staying together and working towards a common goal, rather than breaking apart.