Fledgling

Adjective

 * 1) untried or inexperienced

Noun

 * 1) lit.  A young bird which has just developed its flight feathers (notably wings).
 * 2)  An immature, naïve and/or inexperienced person.

Thesaurus
Young Turk, abecedarian, adolescent, alphabetarian, apprentice, arriviste, articled clerk, at half cock, avifauna, baby, baby bird, beginner, bird, bird of Jove, bird of Juno, bird of Minerva, bird of night, bird of passage, bird of prey, birdie, birdlife, birdling, birdy, boot, boy, bright young man, bub, bubba, buck, bud, buddy, cage bird, calf, callow, catechumen, catling, chick, chickling, chicky, colt, comer, cub, cygnet, deb, debutant, dewy, diving bird, dogie, dove, duckling, eagle, eaglet, entrant, ever-new, evergreen, fawn, fellow, firsthand, fish-eating bird, flightless bird, foal, fowl, fresh, freshman, fruit-eating bird, fryer, fulmar, game bird, gosling, green, greenhorn, greeny, half-baked, half-cocked, half-grown, hobbledehoy, hopeful, ignoramus, ill-digested, immature, impubic, inductee, infant, initiate, insect-eating bird, intact, junior, juvenal, juvenile, kid, kit, kitten, lad, laddie, lamb, lambkin, learner, litter, maiden, maidenly, manchild, master, migrant, migratory bird, minor, modern, modern generation, modern man, modernist, modernizer, muchacho, neologism, neologist, neology, neonate, neophyte, neoteric, neoterism, neoterist, nest, nestling, new, new boy, new generation, new man, newcomer, nouveau riche, novice, novitiate, novus homo, original, oscine bird, owl, parvenu, passerine bird, peacock, peafowl, peahen, perching bird, pigeon, piglet, pigling, polliwog, postulant, pristine, probationer, probationist, pubescent, pullet, pup, puppy, ratite, raw, raw recruit, recruit, rising generation, rookie, sapling, schoolboy, sea bird, seed-eating bird, sempervirent, shoat, shore bird, slip, songbird, sonny, sonny boy, sprig, squab, storm petrel, stormy petrel, stripling, swan, tadpole, teenager, teener, teenybopper, tenderfoot, trainee, tyro, unbeaten, underripe, undeveloped, unfledged, unmellowed, unripe, unseasoned, untouched, untried, untrodden, unused, upstart, vernal, virgin, virginal, wading bird, warbler, water bird, waterfowl, weaner, whelp, wildfowl, yeanling, young, young hopeful, young man, young person, younger, youngest, youngling, youngster, youth

Etymology
From fledge 'prepare for flying' + diminutive suffix -ling

Adjective

 * Czech:
 * Finnish:


 * French:
 * Italian:, alle prime armi

Noun

 * Czech:, ptáčátko
 * Finnish: linnunpoika, lentopoikanen
 * French:
 * German: flügges Küken, flügges Kücken, Küken, flügger Vogel, eben flügge gewordener Vogel, Jungvogel


 * Italian:
 * Spanish:
 * Volapük: bödül,  hibödül,  jibödül


 * Albanian:
 * Finnish:
 * French: ,


 * German:
 * Italian:, ,