(a.) Not fledged; not feathered; hence, not fully developed; immature.

a novice at a stranger to adolescent at half cock budding callow dewy ever-new evergreen firsthand fledgling fresh green green as grass growing half-baked half-cocked half-grown ignorant ill-digested immature impubic inexperienced infant ingenuous innocent intact juicy juvenile maiden maidenly minor naive neoteric nestling new new to new-fledged original pristine raw ripening sappy sempervirent tender unaccustomed to unacquainted with unadult unbeaten unconversant unconversant with underage underripe undeveloped unexperienced unfamiliar with unformed ungrown unhandled uninitiated in unlicked unmatured unmellowed unpracticed unpracticed in unripe unseasoned unskilled in untouched untried untrodden unused unused to unversed unversed in vernal virgin virginal young youthful