Synonyms of the word

unfeathered

• adj. Lacking feathers.

featherless

• adj. Having no feathers.

immature

• adj. Not fully formed or developed, unripe, not mature.
• adj. Childish in behavior, not mature.
• n. An immature member of a species.

plucked

• v. simple past tense and past participle of pluck.
• adj. (of something with feathers, hair etc.) Having had these items removed by plucking.
• adj. (of the strings of an instrument) Played by plucking.
• adj. Having courage and spirit; plucky.

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.