analphabetic
functionally illiterate
preliterate
semiliterate
uneducated
unlettered
Gothic
Philistine
barbarous
benighted
bookless
dabbler
deceived
dilettante
dunce
empty-headed
fool
grammarless
greenhorn
greeny
heathen
hoodwinked
ignoramus
ignorant
ill-educated
illiterati
know-nothing
led astray
lowbrow
middlebrow
misinformed
misinstructed
mistaught
no scholar
nonintellectual
pagan
puddinghead
rude
tenderfoot
unbooked
unbookish
unbooklearned
unbriefed
uncultivated
uncultured
unedified
unenlightened
unerudite
unguided
uninstructed
unintellectual
brainless
corrupt
credulous
destitute
discontented
incompetent
indifferent
inexperienced
needy
uncivilized
uncouth
undisciplined
unsophisticated
worthless
wretched
literate