subadult

/ˌsʌbəˈdʌlt/
adjective
  1. Not yet fully adult; in a stage of development between juvenile and adult.
    • The study focused on subadult fish to understand their growth patterns.
    • Subadult birds have feathers that are duller than those of adults.
    • The subadult lion was learning to hunt from its mother.
Antonyms
noun
  1. An organism that is not yet fully adult, especially in animals or insects.
    • The biologist tagged several subadults to track their migration.
    • In the ant colony, subadults help care for the larvae.
    • The subadult was too young to mate but could fend for itself.
What does "subadult" mean? | whatsthatwordmean | whatsthatwordmean