collapsitarianism
collapsitarian
declinism
collapsism
undo
pessimization
dystopia
live by the sword, die by the sword
come
gun for
fall
slumpy
tumble
poop on
pot
spoilation
prophet of doom
despoilation
declensionism
disastrousness
miserabilist
lose heart
collapse
self-despair
disease of despair
negative growth
despondency
restless
destroy
disgruntlement
finish
pessimistic
grief-stricken
sickness unto death
miss
mourning
bereaved
sorrowing
go to the dogs
shatteredness
scuzz up
grieving
bereft
decadent
foredoom
municide
deteriorism
pessimize
malevolent
softness
Jeremiah
ruination
doomward
malcontent
desperate
take the wind out of someone's sails
despairing
gack
discourage
somberness
Cassandraic
go to pot
misbode
declensionist
disappointed
hopelessness
lose ground
miserabilism
chuntering
ruinate
despond
downfalling
defeatedly
deteriorationism
ebb
on the skids
declinate
lower one's sights
ruin
shipwreck
bugger
degringolade
dour
impoverishment
doom and gloom
enervate
doomlike
death
totter
disillusionment
unprosperity
worsening
desperation
ravage