GROWN-UP


Meaning of GROWN-UP in English

I. ˌgrown-ˈup 1 BrE AmE adjective

1 . fully developed as an adult:

Before you know it, the children will be grown-up and leaving home.

I’ve got two grown-up sons.

2 . behaving in a responsible way, like an adult SYN mature ⇨ childish :

I expect more grown-up behaviour of you.

II. ˈgrown-up 2 BrE AmE noun [countable]

an adult – used by or to children:

If you’re frightened, tell one of the grown-ups.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.