unfledged in WordNet English dictionary

1. young and inexperienced
   "a fledgling enterprise"; "a fledgling skier"; "an unfledged lawyer"
   fledgling  unfledged  callow 
   
2. (of an arrow) not equipped with feathers
   "shot an unfledged arrow"
   unfledged  fledgeless  unvaned 
   
3. (of birds) not yet having developed feathers
   "a small unfledged sparrow on the window sill"
   unfledged  immature