The Meaning of unlettered

(adjective satellite) 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"
(adjective satellite) having little acquaintance with writing; "special tutorials to assist the unlettered sector of society"

analphabetic , ignorant , nescient , unlearned

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