Definitions

1. noun

a person who has reached the age of majority

“The adult in the room tried to mediate the argument.”

2. adjective

relating to or characteristic of adults

“The adult entertainment store was located in a discreet area of town.”

3. verb

to make someone an adult

“The judge decided to adult the minor in the court case.”

4. verb

to behave in a mature and responsible manner

“She tried to adult and finish her work on time, but it was difficult.”