Antonyms for the phrase "makes a connection" could include "disconnects," "severs," "breaks," "disassociates," or "detaches." These words imply that a previously established tie or bond has been undone, or that an attempt to create a link has failed. The sense of severance or detachment that arises from these antonyms contrasts with the notion of connection, suggesting distance or disunity. In some cases, these words may be appropriate when discussing specific circumstances or events, such as when electronic devices suddenly lose connectivity, or when two individuals or groups decide to cut ties with one another.