unseasoned
131immature — Synonyms and related words: a novice at, a stranger to, adolescent, adulterated, amateur, amateurish, arrested, at half cock, babish, babyish, blemished, budding, callow, childish, childlike, dabbling, damaged, defective, deficient, dewy,… …
132inexperienced — Synonyms and related words: a novice at, a stranger to, artless, awkward, befoolable, blankminded, born yesterday, budding, callow, dewy, disaccustomed, dumb, empty, empty headed, foolable, fresh, gauche, green, green as grass, groping, growing,… …