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" 同义词:ignorant, nescient, unlearned
having little acquaintance with writing; "special tutorials to assist the unlettered sector of society" 同义词:analphabetic