unsatisfactory
abortive
arrested
bad habit
besetting sin
blemish
blind spot
bootless
bug
cachectic
callow
catch
comedown
coming apart
crack
cracking
crumbling
debasement
debilitated
decadence
decadency
decadent
declension
declination
decline
declining
defect
defection
defective
deficiency
deficient
deformation
degeneracy
degenerate
degenerateness
degeneration
degradation
demotion
depravation
depravedness
depreciation
derogation
descent
deteriorating
deterioration
devolution
disintegrating
downtrend
downturn
downward mobility
failure
ailment
blunder
corruptions
deformity
depravity
drawback
excellences
fault
flaw
foible
frailty
frustrations
idiosyncrasy
imperfection
infirmity
irregularities
misconduct
misdeed
peccadillo
perversity
shortcoming
suffering
ailing
assailing
bailing
baling
curtailing
derailing
detailing
emailing
entailing
flailing
grayling
hailing
impaling
inhaling
jailing
mailing
nailing
prevailing
railing
regaling
sailing
scaling
surveilling
tailing
trailing
unavailing
unfailing
unveiling
veiling
wailing
whaling