a person who is fully grown or developed.
"children should be accompanied by an adult"
Similar:
grown person
grown man
grown woman
grown-up person
grown-up
mature person
mature man
mature woman
person of mature age
man
woman
gentleman
lady
adjective
(of a person or animal) fully grown or developed.
"the adult inhabitants of the U.S"
Similar:
mature
grown-up
fully grown
full-grown
fully developed
fully fledged
of age
having reached one's majority
in one's prime
in
full bloom
Opposite:
infant
juvenile
verbINFORMAL
behave in a way characteristic of a
responsible adult, especially by accomplishing mundane but
necessary tasks.
"I've adulted with moderate success this week by compiling invoices and billing my client"