adjective
- of or relating to a thousand, especially the thousand years of the prophesied millennium.
- of or relating to the millennium, especially of Christian prophecy, or millennialism: millenarian zeal.
noun
- a believer in the coming of the millennium.
adjective
- of or relating to a thousand or to a thousand years
- of or relating to the millennium or millenarianism
noun
- an adherent of millenarianism
n.1550s, “one who believes in the coming of the (Christian) millennium,” from Latin millenarius (see millennium) + -ian. As an adjective, “pertaining to the millennium,” from 1630s. Related: Millennarianism.