| Adj. | 1. | 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" immature - not yet mature |
| 2. | pubescent - covered with fine soft hairs or down; "downy milkweed seeds" biological science, biology - the science that studies living organisms |