isolated
adjective
uk/ˈaɪsəleɪtɪd/ usnot near other things or people of the same kind:
geographically/politically/socially isolated
isolated island/village You have brought the resources of the modern world to that isolated village.
happening alone, separately, or only once:
isolated case/incident/instance This is not an isolated case of fraud but one of the biggest corruption scandals in history.