" untutored "

1: lacking in education or the knowledge gained from books;

  * e.g., " ... to the untutored observer these works of art must seem strange indeed "

•  Synonyms : 

•  analphabetic,

•  benighted,

•  dark,

•  ignorant,

•  illiterate,

•  nonliterate,

•  rude,

•  simple,

•  uneducated,

•  uninstructed,

•  unlearned,

•  unlettered,

•  unread,

•  unschooled,

•  untaught

•  Antonyms : 

•  educated,

•  knowledgeable,

•  lettered,

•  literate,

•  schooled,

•  well-informed,

•  well-read