Fledgling

1. noun

   young bird that has just fledged or become capable of flying

   Similar: fledgeling

2. adjective

   (of a young bird) having acquired its flight feathers

   “a fledgling robin”

   Similar: fledgeling

3. noun

   any new participant in some activity

   Similar: newcomer, fledgeling, starter, neophyte, freshman, newbie

4. adjective

   young and inexperienced

   “a fledgling enterprise”

   Similar: unfledged, callow