means Command (an order)

More dateable; more attractive

Referring to a girl who is already good looking, but does something that makes a man lose interest.

Better is an adjective; comparative of GOOD.

Better is used to discribe somthing that is higher in value or worth than another thing. Somtimes it's used to discribe people. It can be one of these five:
1 : greater than half
2 : improved in health or mental attitude
3 : more attractive, favorable, or commendable
4 : more advantageous or effective
5 : improved in accuracy or performance

It's just "Better"

1. To show increase in quality, or feeling recovered.
2. "You best be" in a slight aggressive but playfully way.

(The other person usually responds with "nvm" and the opposite, but varies with conversation)

Used in some counties around SoCal (2)

better than better. Often used when trying to trump someones belief that one thing is better than another.

1. When you want to stress the need for vast improvement.

2. When you wish to convey that someone's future state needs plenty of work.