unschooled
[adjective]
Synonyms: ignorant, benighted, empty-headed, illiterate, know-nothing, uneducated, uninstructed, unlettered, untaught, untutored, natural, artless, ingenuous, naive, simple, unaffected, unartificial, unsophisticated, unstudied

[TahlilGaran] English Synonym Dictionary ▲

un·schooled (n-skld)
adj.
► Not educated or instructed; having little or no formal schooling.
► Not the result of training; natural:
an artist of unschooled talents.

[TahlilGaran] American Dictionary ▲