"unlettered" in the adjective sense
1. analphabetic, unlettered
having little acquaintance with writing
"special tutorials to assist the unlettered sector of society"
2. ignorant, nescient, unlearned, unlettered
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"
Source: WordNet® (An amazing lexical database of English)
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