abstract
concept
crestfallen
dejected
deplorable
depressed
depression
despondent
dismal
distressing
down
downcast
emotion
feel
feelings
gloomy
heartbreaking
idea
lamentable
melancholy
miserable
morose
mournful
negative
pain
pained
painful
poor
rueful
sad
sadness
sorrow
sorrowful
trying
unhappy
wistful
wretched
yearning