chronic
confirmed
deep-dyed
deep-fixed
deep-rooted
deep-seated
deep-set
deep-settled
dyed-in-the-wool
established
fast
fixed
implanted
incorrigible
inculcated
infixed
ingrained
inveterate
irreversible
long-established
rooted
set
settled
settled in habit
thorough
bild
billed
build
childe
chilled
distilled
drilled
filled
fulfilled
gild
grilled
guild
hild
killed
milled
rebuild
refilled
skilled
spilled
stilled
thrilled
unfilled
unfulfilled
unskilled
willed