Meaning : (of animals especially human beings) having arrived at the onset of puberty (the age at which sex glands become functional) but not yet fully mature.
Example :
The budding breasts of a pubescent girl and the downy chin of pubescent boy.
Meaning : Covered with fine soft hairs or down.
Example :
Downy milkweed seeds.
Synonyms : downy, puberulent, sericeous