helpless (7)
(Another definition for hogtied that I've seen is " Members bound".)
'helpless' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for forlorn that I've seen before include "Wretched" , "Forsaken" , "Miserable" , "Left alone and unhappy" , "Woebegone, dejected" .)