grown-up
1 of 2adjective
ˈgrōn-ˌəp 
1
: not childish or immature : adult
2
: of, for, or characteristic of adults
insisted on wearing grown-up clothes
grown-up
2 of 2noun
: adult
Synonyms
Adjective
- adult
- mature
Noun
- adult
See all Synonyms & Antonyms 
Word History
First Known Use
Adjective
1633, in the meaning defined at sense 1
Noun
1813, in the meaning defined above
Kids Definition
grown-up 1 of 2
adjective
ˈgrōn-ˌəp
: adult entry 1
grown-up
2 of 2noun
: an adult person
grown-ups
noun
as in adults
a fully grown person once you turn 12, you get to eat with the grown-ups at Thanksgiving Synonyms & Similar Words
Relevance
- adults
- oldsters
- middle-agers
- ancients
- senior citizens
- graybeards
- elders
- seniors
- old-timers
- gaffers
Antonyms & Near Antonyms
- kids
- children
- toddlers
- tykes
- tots
- moppets
- infants
- tikes
- youngsters
- babies
- adolescents
- cubs
- bairns
- teenagers
- tads
- youths
- juveniles
- teens
- minors
- younglings
- tweens
- preteens
- teenyboppers
- teeners
- preteen-agers
