The word "un-coupling" refers to the process of separating or disengaging something that was previously connected. Antonyms for un-coupling include coupling, connecting, joining, and linking. These words imply the act of bringing two or more objects together or forming a bond between them. Other antonyms for un-coupling might include integrating, merging, and unifying, which suggest a unification of separate parts or systems. In the context of personal relationships, antonyms for un-coupling might include reconciling, reuniting, or bonding, which indicate a renewed connection or healing of a rift. Overall, the antonyms for un-coupling focus on the process of joining and forming connections, rather than breaking them apart.