fledgling, unfledged, callow(adj)
young and inexperienced
"a fledgling enterprise"; "a fledgling skier"; "an unfledged lawyer"
A callow young bird.
A callow or teneral phase of an insect or other arthropod, typically shortly after ecdysis, while the skin still is hardening, the colours have not yet become stable, and as a rule, before the animal is able to move effectively.
Unfledged (of a young bird).
Immature, lacking in life experience.
Those three young men are particularly u201Ccallow youthsu201D.
Lacking color or firmness (of some kinds of insects or other arthropods, such as spiders, just after ecdysis). Teneral.
Shallow or weak-willed.
Unburnt (of a brick)
Origin: From calwe, from calu, from kalwaz, from gAlw-. Cognate with kaal, kahl, голый.
destitute of feathers; naked; unfledged
immature; boyish; "green"; as, a callow youth
a kind of duck. See Old squaw
Origin: [OE. calewe, calu, bald, AS. calu; akin to D. kaal, OHG. chalo, G. Kuhl; cf. L. calvus.]
Callow is a village and civil parish in Herefordshire, England, about 4 miles south of Hereford. The church is dedicated to St Mary.
Chambers 20th Century Dictionary
kal′ō, adj. not covered with feathers: unfledged, unbearded: inexperienced: low-lying and liable to be submerged.—n. an alluvial flat. [A.S. calu; Ger. kahl, L. calvus, bald.]
The Nuttall Encyclopedia
an inland county in Leinster, Ireland; also the county town.
The numerical value of callow in Chaldean Numerology is: 5
The numerical value of callow in Pythagorean Numerology is: 3