isolated

Being or feeling set or kept apart from others.

“could not remain the isolated figure he had been”

Under forced isolation especially for health reasons.

“isolated patients”

Marked by separation of or from usually contiguous elements.

“little isolated worlds, as abruptly disjunct and unexpected as a palm-shaded well in the Sahara”

Remote and separate physically or socially.

“tiny isolated villages remote from centers of civilization”

Cut off or left behind.

“an isolated pawn”

Not close together in time.

“isolated instances of rebellion”