Grownup has 4 different meanings across 2 categories:
Noun
· Adjective
Noun
1
a fully developed person from maturity onward
2
An adult (used especially by children).
Adjective
1
(of animals) fully developed
"an adult animal"
"a grown woman"
2
Of, pertaining to, or suitable for adults.
Broader Terms (hypernyms)
Narrower Terms (hyponyms)