cut off from
- isolatedSeparated from others
- disconnectedSeparated from a source
- severedCut off completely
- strandedLeft without means to leave
- maroonedLeft stranded and helpless
secluded · remote · unreachable · abandoned · blocked · barricaded · quarantined · estranged · alienated · excluded · shut out · walled off · separated · detached · incommunicado · unplugged · adrift · forsaken