I. ˈ ̷ ̷| ̷ ̷ adjective
Etymology: from past participle of grow up
1. : adult
a grown-up woman — Hugh Walpole
2. : of, for, or characteristic of adults
the only grown-up way to keep peace in the world — Leverett Saltonstall
began reading grown-up books at an early age
insisted on wearing grown-up clothes
II. noun
( -s )
: adult
the attitude of grown-ups has changed — Pamela L. Travers