Unlearned, a.
Etymology: [Pref. un- + learned.]
1. Not learned; untaught; uneducated; ignorant; illiterate.
2. Not gained by study; not known.
3. Not exhibiting learning; as, unlearned verses. -- Un*learn"ed*ly, adv. -- Un*learn"ed*ness, n.
Shades of meaning
Fernald has no entry of its own for unlearned; he lists it under ignorant.
He lists it without comment; the entries above explain its neighbors.