The antonyms for the phrase "being attached to" include detaching, disconnecting, separating, disengaging, and alienating. Each of these antonyms represents a distinct lack of connection between entities, whether they be people, emotions, or objects. Detaching indicates a physical or emotional distance, while disconnecting denotes a severing of a previously established link. Separating implies the creation of different identities, while disengaging reinforces a lack of investment in each other's lives. Finally, alienating suggests a deliberate act of creating distance from something or someone. Overall, these antonyms reveal a variety of ways in which one can disengage from an attachment, with each term reflecting a different degree of separation.