unfamiliar with

immature inept naive undisciplined unschooled unsophisticated untried young

amateur callow cherry fresh green ignorant inexpert innocent kid new prentice raw rookie rude sophomoric spring chicken tenderfoot unaccustomed unacquainted unconversant unfledged unpracticed unseasoned untrained unused unversed unworldly verdant wet behind ears

experienced mature old

educated expert familiar schooled seasoned skilled trained versed

ignorant uninformed

incompetent inexperienced newcome not given to not used to novice too green unacquainted uninstructed unpracticed unseasoned unskilled untaught untrained unused to unversed in

accustomed customary normal prepared ready usual

amateur green innocent kid prentice raw rookie tenderfoot young

callow fresh ignorant immature inept inexpert naive new rude sophomoric spring chicken unaccustomed unacquainted unconversant undisciplined unfledged uninitiated unpracticed unschooled unseasoned unsophisticated untrained untried unused unversed unworldly verdant wet behind ears

experienced old

amateur callow fresh green ignorant immature inept inexpert innocent kid naive new prentice raw rookie rude sophomoric spring chicken tenderfoot unaccustomed unacquainted unconversant undisciplined unfledged uninitiate uninitiated unschooled unseasoned unsophisticated untrained untried unused unversed unworldly verdant wet behind ears young