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

[TahlilGaran] English Synonym Dictionary ▲

un‧tu‧tored /ʌnˈtjuːtəd $ -ˈtuːtərd/ adjective formal
not having been taught to do something Synonym : untrained
to the untutored eye/ear/mind
To the untutored ear, this music sounds as if it might have been written by Beethoven.

[TahlilGaran] Dictionary of Contemporary English ▲