Synonyms of the word

callow

• adj. (obsolete) Bald.
• adj. Unfledged (of a young bird).
• adj. Immature, lacking in life experience.
• adj. Lacking color or firmness (of some kinds of insects or other arthropods, such as spiders, just after ecdysis)…
• adj. Shallow or weak-willed.
• adj. Unburnt (of a brick).
• n. A callow young bird.
• n. A callow or teneral phase of an insect or other arthropod, typically shortly after ecdysis, while the…

fledgling

• adj. Untried or inexperienced.
• adj. Emergent or Rising.
• n. A young bird which has just developed its flight feathers (notably wings).
• n. An insect that has just fledged, i.e. undergone its final moult to become an adult or imago.
• n. (figuratively) An immature, naïve and/or inexperienced person.

inexperienced

• adj. Not experienced; lacking knowledge or experience; green.
• adj. Virginal or lacking in personal knowledge and experiences of sex.

unfledged

• adj. Not having feathers; (of a bird) not yet having developed its wings and feathers and become able to fly.
• adj. (figuratively) Not yet fully grown or developed; not yet mature.
• adj. (figuratively) Inexperienced, like a tyro or novice.