a bit previous a novice at a stranger to advanced callow far ahead forward fresh green green as grass half-baked half-cocked hasty ignorant ill-considered immature impulsive inexperienced new to not firm overhasty oversoon precipitate precocious premature previous raw rushed too early too soon unaccustomed to unacquainted with unconversant unconversant with uncrystallized undeveloped unexperienced unfamiliar with unfledged uninitiated in unjelled unmeditated unpracticed unpracticed in unpremeditated unprepared unripe unseasoned unskilled in untimely untried unused to unversed unversed in