numskull
subintellectual
nonlearner
fool
mentally deficient person
unteachable
psilosopher
handicapped person
noncomprehender
layman
coward
throwback
homebird
spacky
spack
nonintellectual
reprobate
stun
technotard
spazzer
problem child
inadequate
lost soul
nonachiever
hick
sinner
hayseed
whore
yokel
rube
bumpkin
yahoo
chawbacon
orphan
hopeless
slacker
inability
refusant
submoron
unsociable
loser
baby
maladroit
slow on the uptake
misomusist
poetling
retard
innumerate
neglecter
antiadaptationist
layperson
anti
pervasive refusal syndrome
apathete
psychopath
mishire
misosopher
nonconsenter
fledgling
dog in the manger
bottler
deficient
gadgie
subnormal
antipsychologist
weakener
basement dweller
indocile
lackbrain
schlemiel
ballbag
philistine
brainlet
weakling
reluctant dragon
Peter Pan
academically disadvantaged
anti-intellectual
lame duck
maladjustment
know-nothing
Muggle
noncompliant
weak-minded
gosling
bookish
caveman
baulker
cheeser
idiot savant
amential
balker
nonphilosopher
sleaze
misopedist
nonacademic
birdbrain
nonadherent
pedophobe
subexpert