untrained

adjectives

not disciplined or conditioned or made adept by training
"an untrained voice"; "untrained troops"; "young minds untrained in the habit of concentration"
untrained
antonym
trained
is similar to
of or created by one without formal training; simple or naive in style
"primitive art such as that by Grandma Moses is often colorful and striking"
naive, primitive
is similar to
not subjected to discipline
"undisciplined talent"
undisciplined