WordNet: immature, unfledged

(of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill"

• similar to unfeathered

immature

• (suomi) sulaton (synonyymi)

• (suomi) höyhenetön (synonyymi)

unfledged

• (englanti) fledged (antonym)
• (suomi) sulaton (synonyymi)

• (suomi) höyhenetön (synonyymi)