What is the meaning of Unfledged?

Not having feathers.

Of a bird: not yet having developed its feathers and wings and become able to fly.

1. Of a person: not yet fully grown or mature; lacking experience, like a novice or tyro; immature, inexperienced; hence, of or relating to youth.

   Of a person: not yet fully grown or mature; lacking experience, like a novice or tyro; immature, inexperienced; hence, of or relating to youth.

   Of a thing: not yet fully developed; imperfect, incomplete, unfinished.

   simple past and past participle of unfledge.

   Source: wiktionary.org