is similar to
lacking companions or companionship
"he was alone when we met him"; "she is alone much of the time"; "the lone skier on the mountain"; "a lonely fisherman stood on a tuft of gravel"; "a lonely soul"; "a solitary traveler"
is similar to
cut off or left behind
"an isolated pawn"; "several stranded fish in a tide pool"; "travelers marooned by the blizzard"
is similar to
alone and on your own
"don't just sit there on your tod"
is similar to
lacking accompaniment or a guard or escort
"unattended women"; "problems unattended with danger"