ignorant

(s) uneducated in general; lacking knowledge or sophistication
- an ignorant man
- nescient of contemporary literature
- an unlearned group incapable of understanding complex issues
- exhibiting contempt for his unlettered companions
nescient, unlettered, unlearned,
(s) uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field
- she is ignorant of quantum mechanics
- he is musically illiterate
illiterate,
(s) unaware because of a lack of relevant information or knowledge
- he was completely ignorant of the circumstances
- an unknowledgeable assistant
- his rudeness was unwitting
unknowing, unknowledgeable, unwitting,

nescient unlettered unlearned illiterate unknowing unknowledgeable unwitting

ignorantly ignorantness