having attained full size and strength; grown up; mature

an adult person, animal, or plant.

of, pertaining to, or befitting adults.

intended for adults; not suitable for children

adult entertainment.

a person who is fully grown or developed or of age.

a full-grown animal or plant.

a person who has attained the age of maturity as specified by law.

adjective

adolescent , infant

noun

adolescent , infant

adjective

developed , grown , grown-up , of age , ripe , ripened , big , full-blown , full-fledged , full-grown

noun

gentleperson , grownup , man , person , woman , developed , elder , grown , mature , nubile , ripe , seasoned , tempered