milenial

Etymology
From.

Adjective

 * 1) related to
 * 2) referring to the 1,000th anniversary of an event or happening.
 * 3) occurring every thousand years.
 * 4) of or relating to people born in the last two decades of the 20th century.
 * 1) of or relating to people born in the last two decades of the 20th century.

Noun

 * 1) millennial