fledgling (n.)
- abecedarian
- adolescent
- apprentice
- arriviste
- avifauna
- baby
- beginner
- bird
- birdie
- boot
- boy
- bub
- buck
- bud
- buddy
- calf
- catechumen
- catling
- chick
- colt
- comer
- cub
- cygnet
- deb
- dogie
- dove
- duckling
- eagle
- eaglet
- entrant
- evergreen
- fawn
- fellow
- foal
- fowl
- freshman
- fryer
- fulmar
- gosling
- green
- greenhorn
- hobbledehoy
- hopeful
- ignoramus
- inductee
- infant
- initiate
- junior
- juvenal
- juvenile
- kid
- kit
- kitten
- lad
- laddie
- lamb
- lambkin
- learner
- litter
- maiden
- master
- migrant
- minor
- modern
- modernist
- neologism
- neologist
- neology
- neonate
- neophyte
- nest
- nestling
- new
- newcomer
- novice
- novitiate
- original
- owl
- parvenu
- peacock
- peafowl
- peahen
- pigeon
- piglet
- polliwog
- postulant
- probationer
- pullet
- pup
- puppy
- ratite
- raw
- recruit
- rookie
- sapling
- schoolboy
- shoat
- slip
- songbird
- sonny
- sprig
- squab
- stripling
- swan
- tadpole
- teenager
- tenderfoot
- trainee
- tyro
- upstart
- virgin
- virginal
- warbler
- waterfowl
- whelp
- wildfowl
- young
- younger
- youngster
- youth
fledgling (adj.)
- abecedarian
- adolescent
- bird
- buddy
- callow
- dewy
- eagle
- entrant
- evergreen
- fellow
- firsthand
- fresh
- freshman
- green
- half-baked
- hopeful
- immature
- initiate
- intact
- junior
- juvenile
- kid
- lad
- litter
- maiden
- maidenly
- master
- migrant
- minor
- modern
- modernist
- nest
- new
- original
- parvenu
- pristine
- pubescent
- raw
- slip
- squab
- unbeaten
- undeveloped
- unfledged
- unripe
- unseasoned
- untouched
- untried
- untrodden
- unused
- upstart
- vernal
- virgin
- virginal
- young
- younger
