Callow

a.	1.
	1.	Destitute of feathers; naked; unfledged. An in the leafy summit, spied a nest, Which, o'er the callow young, a sparrow pressed. - Dryden.
	2.	Immature; boyish; "green"; as, a callow youth. I perceive by this, thou art but a callow maid. - Old Play [1675].
n.	1.	(Zool.) A kind of duck. See Old squaw.

Adj.

1.

callow - lacking experience of life; "a callow youth of seventeen" Synonyms: naive, unsophisticated, inexperienced

a novice at, a stranger to, adolescent, arrested, at half cock, awkward, blankminded, budding, defective, deficient, dewy, dumb, embryonic, empty, empty-headed, ever-new, evergreen, failing, firsthand, fledgling, fresh, gauche, green, green as grass, groping, growing, guileless, half-baked, half-cocked, half-grown, hypoplastic, ignorant, ill-digested, immature, impubic, in arrear, in arrears, in default, in short supply, inadequate, inane, incomplete, inexperienced, infant, ingenuous, innocent, intact, juicy, juvenile, know-nothing, lacking, maiden, maidenly, minor, missing, naive, needing, neoteric, nescient, nestling, new, new to, new-fledged, original, part, partial, patchy, pristine, raw, ripening, sappy, scant, scanty, scrappy, sempervirent, short, shy, simple, sketchy, strange to, tender, tentative, unaccustomed to, unacquainted, unacquainted with, unadult, unapprized, unbeaten, uncomprehending, unconversant, unconversant with, underage, underdeveloped, underripe, undeveloped, unenlightened, unexperienced, unfamiliar, unfamiliar with, unfledged, unformed, ungrown, unhandled, unilluminated, uninformed, uninitiated, uninitiated in, unintelligent, unknowing, unlicked, unmatured, unmellowed, unposted, unpracticed, unpracticed in, unripe, unseasoned, unskilled in, unsophisticated, unsure, untouched, untried, untrodden, unused, unused to, unversed, unversed in, vacuous, vernal, virgin, virginal, wanting, young, youthful