Definitions:

1. cut off or left behind adjective
   • an isolated pawn
2. marked by separation of or from usually contiguous elements adjective
   • little isolated worlds, as abruptly disjunct and unexpected as a palmshaded well in the Sahara Scientific Monthly
3. not close together in time adjective
   • isolated instances of rebellion

Synonyms:

• detached
• disjunct
• marooned
• obscure
• quarantined
• stranded
• stray