denoting or relating to a period of a thousand years

the current increase in hurricanes is only a small fluctuation within this longer millennial cycle

relating to or denoting people born between the early 1980s and the late 1990s

most social networking groups are dominated by the millennial generation

a person born between the early 1980s and the late 1990s; a member of Generation Y

the industry brims with theories on what makes millennials tick

generation Xers and millennials have some real gripes about the world their parents constructed