- pubescent - (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; "the budding breasts of a pubescent girl and the downy chin of pubescent boy"
Antonym: mature (indirect, via immature)
- downy, pubescent, puberulent, sericeous - covered with fine soft hairs or down; "downy milkweed seeds"
Antonym: hairless (indirect, via hairy)