callow

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.

An alluvial flat.

Unfledged (of a young bird).

(by extension) Immature, lacking in life experience.

“Those three young men are particularly callow youths.”

Lacking color or firmness (of some kinds of insects or other arthropods, such as spiders, just after ecdysis); teneral.

Shallow or weak-willed.

(of a brick) Unburnt.

Of land: low-lying and liable to be submerged.

Bald.