'Unlettered' definitions:

Definition of 'unlettered'

From: WordNet
adjective
Having little acquaintance with writing; "special tutorials to assist the unlettered sector of society" [syn: analphabetic, unlettered]
adjective
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" [syn: ignorant, nescient, unlearned, unlettered]

Definition of 'Unlettered'

From: GCIDE