The word "become unconnected" can be used to describe a situation where something that was once linked or attached to something else is now disconnected or separated. Synonyms for this phrase include, becoming detached, disengaging, unfastening, separating, loosening, breaking apart, and disconnecting. When something becomes unconnected, it can cause a range of challenges, such as communication breakdowns, inefficiencies in systems, or even physical dangers if the structure or object is not properly secured. It is crucial to identify when something becomes unconnected and take the necessary measures to reattach or re-establish a connection to prevent any adverse effects.