preteenager

noun
UK /ˌpriːˈtiːneɪdʒə/
US /ˌpriːˈtiːneɪdʒər/

A preteenager is a kid who is almost a teenager.

My cousin is a preteenager who just turned eleven.


OTHER MEANINGS

2. A person between about nine and twelve years old.

The camp has a special group for preteenagers.

3. Someone in the years just before turning thirteen.

As a preteenager, she loved reading mystery books.

4. A child who is no longer little but not yet a teen.

Preteenagers often want more independence.