atavistic
retrograde
retrogressive
returning
reverting
throwback
unmodernised
unmodernized
apostate
ascending
axial
back
back-flowing
backsliding
backward
coming apart
cracking
crumbling
decadent
declining
degenerate
descending
deteriorating
disintegrating
down-trending
downward
draining
drifting
drooping
dwindling
ebbing
effete
fading
failing
falling
flagging
flowing
fluent
flying
fragmenting
going
going to pieces
gyrational
gyratory
languishing
lapsing
marcescent
mounting
passing
pining
plunging
progressive
reactionary
recessive
recidivist
recidivous
regress
regression
^®
confiscatory
deviant
first-order
integrative
internal-revenue
lump sum
maladjusted
modifiable
mostly-white
multi-step
nonhierarchical
partitive
reconstructive
slippy
state-space
transformational
unsane
waysto
Progressive
aggressive
depressive
excessive
expressive
impressive
obsessive
oppressive
possessive
repressive
successive
unimpressive