unconnected       
adjective uk/ˌʌn.kəˈnek.tɪd/ us/ˌʌn.kəˈnek.tɪd/
 不相关的,无关联的
not connected; not related
  It's no longer possible to argue that crime is unconnected with unemployment. 不可能再认为犯罪与失业无关了。 
 A series of apparently unconnected events led to his resignation. 一系列表面上并无关联的事件导致了他的辞职。 
 Opposite: connected (RELATED)
Compare: disconnected (SEPARATE)