An adult fits the definition for a grown up.
Finish
Encapsulate.
Ara
There is no single word that I can find apart from farmer. However, the meaning of farm girl is said to be "A girl who has grown up on a farm".
re-up?
Slave
Yes! The root word is mature, meaning grown up. Pre is the prefix, which means before. So, the word means before (pre) growing up (mature)
homegrown overgrown grown up
The word you're looking for is detonate.
Childhood.
I think the term may be "re-up"
spring.... like to sping up... hope this helps;)