“+ adjective
Etymology: Middle English, from un- (I) + lettered
1.
a. : not lettered : lacking scholarship
regarded as an unlettered rhymester — Van Wyck Brooks
b. : illiterate
many country priests were stupid and unlettered — G.B.Sansom
2. : not marked with letters
an unlettered tombstone
an unlettered police car — Springfield (Massachusetts) Daily News
Synonyms: see ignorant