pubescent
adjective
[ pjʊˈbɛs(ə)nt ]
• relating to or denoting a person at or approaching the age of puberty.
• "a gang of pubescent boys"
• covered with short soft hair; downy.
pubescent
noun
• a person at or approaching the age of puberty.
• "the audience was largely made up of squealing pubescents"
Origin:
mid 17th century: from French, or from Latin pubescent- ‘reaching puberty’, from the verb pubescere .