untrained

1 :  not trained: such asa :  not made adept or expert by instruction or experience an untrained journalist untrained in the use of firearmsb :  not taught by discipline to conform to certain behaviors an untrained dog

2 :  not based on training or knowledge :  inexpert an untrained diagnosis To the untrained eye, many wetlands can be deceiving, particularly during drier times of year. — Kathleen Rude