penitent
repentant
addicted
affecting
afflictive
aggrieved
anguished
ashamed
bitter
bleak
careworn
cheerless
comfortless
conscience-smitten
conscience-stricken
deplorable
depressed
depressing
depressive
despairing
despondent
discomforting
dismal
dismaying
distressful
distressing
doleful
dolorific
dolorogenic
dolorous
dreary
dumb with grief
full of remorse
grief-stricken
griefful
grieved
grievous
hopeless
in grief
joyless
lamentable
lugubrious
miserable
mournful
moving
oppressed
painful
pathetic
piteous
pitiable
rue
apologetic
bemused
derisive
disdainful
dismissive
exasperate
heartfelt
impish
incredulous
ironical
plaintive
quizzical
regretful
reproachful
self-deprecating
sheepish
wry