What does it mean to be an adult? It means you have to learn not to depend on your parents any more and depend on your self to find a house, car, job or even paying your bills. being a adult is a big resonsibility for example: When you go have to college and your on your own with out parents you learn how to be an adult you have to go food shoping you have to do your own laundry you have to be responsible for getting to class on time and study for your test for your classes. And if you learn to be an adult in college when you get out you know what to do because you know how to live on your own and you will be more responsible and you will have a good easy life all you have to do is be responsible be on time to important places like your job or your classes.