Etymology From Middle English unlerned (“not taught, uneducated”). By surface analysis, un- (“not”) + learned (“educated”).
1
ignorant, uneducated, untaught, untrained.
How much do I know / To talk out of turn / You might say that I'm young / You might say I'm unlearned / But there's one thing I know / Though I'm younger than you / Even Jesus would never / Forgive what you do1963, “Masters of War” (track 3, side 1), in Bob Dylan (lyrics), (traditional)/Jean Ritchie (music), The Freewheelin' Bob Dylan, performed by Bob Dylan:
Etymology From un- (“not”) + learned (“studied”), past participle of learn.
1
Of a behavior: not learned; innate.
2
Of information: that has not (yet) been learned; unknown.
Did she ever return? No, she never returned. Her fate is yet unlearned Though for years and years there were fond ones watching For the ship that never returned.1865, Henry Clay Work, “The Ship That Never Returned”: