ignorant

lacking general education or knowledge

• “an ignorant man”
• “nescient of contemporary literature”
• “an unlearned group incapable of understanding complex issues”
• “exhibiting contempt for his unlettered companions”

ignorant of the fundamentals of a given art or branch of knowledge

• “ignorant of quantum mechanics”
• “musically illiterate”

lacking basic knowledge

• “how can someone that age be so ignorant?”
• “inexperienced and new to the real world”

used of things; lacking sense or awareness

• “ignorant hope”
• “fine innocent weather”

lacking knowledge or skill

• “unversed in the jargon of the social scientist”

lacking information or knowledge

• “an unknowledgeable assistant”