(of a person) knowing little or nothing; resulting from lack of knowledge

unaware, unknowing

unable to read or write

unable to read well; lacking education

(of a person, speech, behaviour) not showing respect or good manners; indecent; roughly made; simple

disrespectful, rough

not (yet) civilized; (of behaviour) bad, thoughtless

wild, uncultured

(especially) not having, made without, adequate information

unaware

(of work) not needing special skill; (of a worker) not having special skill or special training

untrained

uneducated (the usual word)

uncultivated, vulgar