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