grow up
(to gradually change from being a child to being an adult)
- I grew up here; I know this place like the back of my hand.
- Our children have grown up now and have children of their own.
grow up! spoken
(behave in a more responsible way)
- Grow up and start accepting your responsibilities; you’re not a baby anymore.
- It’s time you grow up and stop such childish behavior.
grow up
(to start to exist or develop)
- A new village has grown up by the river.
- A dispute grew up among the workers.