spring chicken

immature inept naive undisciplined unschooled unsophisticated untried young

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

experienced mature old

educated expert familiar schooled seasoned skilled trained versed

amateur green innocent kid prentice raw rookie tenderfoot young

callow fresh ignorant immature inept inexpert naive new rude sophomoric unaccustomed unacquainted unconversant undisciplined unfamiliar with 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 tenderfoot unaccustomed unacquainted unconversant undisciplined unfamiliar with unfledged uninitiate uninitiated unschooled unseasoned unsophisticated untrained untried unused unversed unworldly verdant wet behind ears young