unconnected
adj. B2 Upper Intermediate US //ˌənkəˈnɛktɪd// UK //ʌnkənˈɛktɪd// un·con·nect·ed
adj. not related to something else or not linked to a specific group or system. You use this when two things do not share the same cause or purpose.
adj. not related to or associated with something else; lacking a logical or physical link. Often used to describe events, people, or systems that operate independently.
The two events are completely unconnected.
The police found that the two crimes were unconnected and had no common suspect.
While the economic downturn affected the entire region, the local community remained unconnected to the global market, relying instead on subsistence farming.
From un- + connected.