unfledged

/ʌnˈflɛdʒd/
adjective
  1. (of a young bird) not yet having developed feathers large enough to fly.
    • An unfledged sparrow hopped along the branch, unable to take flight.
    • The wildlife rescuer cared for the unfledged owl until it could fly.
    • The nest contained three unfledged chicks waiting for their mother.
  2. Inexperienced or immature; not fully developed.
    • The unfledged journalist made several errors in his first article.
    • As an unfledged musician, she still had much to learn about performing.
    • The company hired unfledged interns who needed a lot of training.