abnormal
unnatural
aberrant
amorphous
anomalistic
anomalous
arrested
babbling
backward
blithering
burbling
crackbrained
cracked
crazy
cretinistic
cretinous
deviative
different
dithering
divergent
driveling
drooling
eccentric
erratic
formless
half-baked
half-witted
heteroclite
heteromorphic
idiotic
imbecile
imbecilic
irregular
low
maundering
mentally defective
mentally deficient
mentally handicapped
mentally retarded
mongoloid
moronic
not all there
retarded
shapeless
simple
simpleminded
simpletonian
slobbering
stray
straying
subpar
simpleton
bottom-line
dayspring
freewheeling
get-rich-quick
go-it-alone
house-elf
insubmissive
lubberly
on-street
prepress
racialist
replacev'
self-enjoyment
thought-of
throwaway
unbalancing
unlicked
unteachable
variable-length
victimhood