subadolescent

/ˌsʌbˌædəˈlɛsənt/
adjective
  1. Relating to or characteristic of the period just before adolescence; preteen.
    • Her subadolescent humor was still innocent and silly.
    • The book is aimed at a subadolescent audience, around ages 9 to 12.
    • The subadolescent children enjoyed playing with action figures.
Antonyms
noun
  1. A person who is just before the age of adolescence; a preteen.
    • The camp was designed for subadolescents who were too old for little kids but not yet teenagers.
    • The study looked at the social behavior of subadolescents in school.
    • As a subadolescent, he was more interested in video games than dating.
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