Split ups typically refer to the separation or division of something that was once united. Antonyms for this term would be words or phrases that indicate unity, amalgamation, or connection. Some possible antonyms for split ups include mergers, reconciliations, reunions, consolidations, combinations, integrations, harmonizations, and alliances. These terms all suggest the coming together of different parts, the removal of divisions or conflicts, and the creation of a larger, more cohesive whole. While split ups may be necessary in certain situations, such as ending a dysfunctional relationship or company partnership, the antonyms remind us of the value and power of unity and connection.