illiterate
uneducated
Gothic
Philistine
barbarous
benighted
bookless
deceived
empty-headed
functionally illiterate
grammarless
heathen
hoodwinked
ill-educated
led astray
lowbrow
misinformed
misinstructed
mistaught
nonintellectual
pagan
rude
unbooked
unbookish
unbooklearned
unbriefed
uncultivated
uncultured
unedified
unerudite
unguided
uninstructed
unintellectual
unlearned
unliterary
unread
unrefined
unscholarly
unschooled
unstudious
untaught
untutored
boorish
credulous
ill-bred
ill-mannered
insensitive
lowborn
poverty-stricken
simple-minded
uncivilised
uncivilized
uncouth
undisciplined
unemployed
uninformed
unmannerly
unpolished
unskilled
untrained