Pitifully sad (7)
I believe the answer is:
forlorn
'pitifully sad' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for forlorn that I've seen before include "Bereft" , "Left alone and unhappy" , "Cheerless, desolate" , "Forsaken" , "Woebegone, dejected" .)