"Become detached" is a popular phrase used to describe something or someone that has separated from its original position or affiliation. There are several synonyms for this phrase, including "disengage," "sever," "dissociate," "detach," "disassociate," and "uncouple." When an object or a person "disengages," it means that they have withdrawn from a particular situation or relationship. "Sever" has a more forceful connotation as it implies a complete cutting off or separation. "Dissociate" suggests a mental or emotional separation from something, while "detach" and "disassociate" indicate a physical separation. Lastly, "uncouple" is used to describe the separation of two things that were once connected.