What is it called when u dont want to date anyone?

The term aromantic has nothing to with sex. It means you dont get romantically attached to others, though you may develop sexual attractions. People of any sexual orientation can be aromantic. You can also be asexual, aromantic, or both.

What does single mean?

In legal definitions for interpersonal status, a single person refers to a person who is not in serious committed relationships, or is not part of a civil union. Single people may participate in dating and other activities to find a long-term partner or spouse.