1) Green 2) Immature 3) Inexperienced 4) Inexpert 5) New 6) Raw 7) Undisciplined 8) Uneducated 9) Unhandled 10) Unskilled 11) Untutored Found on https://www.crosswordclues.com/clue/untrained
adjective not disciplined or conditioned or made adept by training; `an untrained voice`; `untrained troops`; `young minds untrained in the habit of concentration` Found on https://www.encyclo.co.uk/local/20974