1. a child who is younger than thirteen years old, especially one between the ages of nine and twelve

1. relating to or characteristic of children younger than thirteen

Examples

• The store has a special clothing section for subteens.
• Many subteens are interested in pop music and social media.
• The summer camp offers programs designed for subteen campers.
• She writes books that appeal to subteen readers.
• The subteen years can be challenging for both children and parents.
• Marketing companies often target the subteen demographic.
• His subteen daughter is already asking for a cell phone.