past participle of grow up

Alternative form of grown-up

Adult, physically mature. / Of, pertaining to, or suitable for adults. / Having a mature outlook.

An adult (used especially by children or when speaking to children)

plural of grownup

(biochemistry) A signalling protein that regulates vasculogenesis.

A polypeptide hormone, secreted by the pituitary gland in many animals including humans, that promotes growth and regulates the metabolism of carbohydrates, proteins and lipids.

plural of grower

A farmer; one who grows things. / Something that grows. / Someone or something who becomes more likeable over time. (Especially used of music.)

Fully developed; adult