9 letters · 15 points in Scrabble
adjective (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
adjective covered with fine soft hairs or down
originFrom Middle French pubescent, from Latin pubescens (“to become hairy, downy, or an adult”).
Etymology from Wiktionary, CC BY-SA 3.0