disimprove
exacerbate
worsen
aggravate
exasperate
suffer
exacerbating
aggravating
exasperating
confound
fall away
go from bad to worse
go to shit
deterioratingly
wusser
tant pis
poison
deteriorating
compound
take a turn for the worse
freefall
decline
downhill
dismalize
misalter
rub salt in someone's wounds
agudization
deformation
distortion
submediocre
kick someone when they are down
misreform
pejorate
exasperated
impair
do more harm than good
degeneration
worst-case scenario
deterioration
worsener
go to pieces
disimprovement
bear the brunt
worstest
go downhill
so much the worse
worsening
make heavy weather of
suboptimal
rot in hell
below average
rackingly
go backwards
exacerbatingly
peak
decay
pejorism
deteriorate
retrogressive
retrograde
abominable
rub salt in the wound
downslide
turn
go through hell
direly
worse
rough end of the pineapple
worserer
awful
dystopian
deteriorationism
worsely
rotten
pot
jialat
come to grief
dub
worrisomely
disastrousness
badious
miserably
dog shit
made of fail
besour
sour
abysmal
damage
shank
cod