illiterate insensible uneducated innocent misinformed naive obtuse unenlightened uninformed unintellectual unwitting witless benighted imbecilic inexperienced mindless moronic nescient uncultured uninitiated unlearned unschooled untaught untrained cretinous dense oblivious shallow thick unlettered unmindful unread unstudious unsuspecting apprenticed green unconscious unconversant uncultivated untutored uninstructed backward ignorant simple dark uncivilized unsophisticated uncivilised unqualified unaccomplished rude natural instinctive unversed primitive unpolished stupid superficial unworldly unaware unintelligent dim dopey dumb airheaded daft uncomprehending dozy glaikit divvy dof dotish unknowing thickheaded vacuous unsmart underdeveloped undeveloped unrefined clueless unacquainted unforced spontaneous born innate inherent blind solecistic gormless slow pinheaded dorky fatuous brainless dunderheaded senseless doltish boneheaded bonehead oafish