Grown
Part of speech: verb
Definition: To become larger, to increase in magnitude.
Part of speech: adjective
Definition: Covered by growth; overgrown.
Example sentence: Sister is probably the most competitive relationship within the family, but once the sisters are grown, it becomes the strongest relationship.
Adult
Part of speech: noun
Definition: A fully grown human or animal.A person who lives outside the parental home.(improper usage) A person whose parents are deceased.
Part of speech: adjective
Definition: Of a human or animal, fully grown.Intended for adults rather than children.Of a film, etc, pornographic.
Example sentence: I think that inside every adult is the heart of a child. We just gradually convince ourselves that we have to act more like adults.