ETYM Old Eng. vanite, vanité, Latin vanitas, from vanus empty, vain. Related to Vain.
The quality of being valueless or futile; SYN. emptiness.

1. Of, relating to, or being a work (as a book or recording) whose production cost is paid by the author or artist
2. Of, relating to, or being a showcase for a usually famous performer or artist who is often also the project's creator or driving force