1) Cast away 2) Castaway 3) Cut off or left behind 4) High and dry 5) Isolated 6) Left isolated 7) Like gilligan 8) Like Robinson Crusoe 9) Like the characters on Lost 10) On a desert island 11) Stranded 12) Techno-thriller novel 13) Unaccompanied Found on https://www.crosswordclues.com/clue/marooned