A Millennium

1. A period of time consisting of one thousand years.
2. (Christianity) The period of one thousand years during which Christ will reign on earth (according to Millenarianist interpretations).
3. A period of universal happiness, peace or prosperity; a utopia.
4. (with definite article) The year in which one period of one thousand years ends and another begins, especially the year 2000.

Synonyms

• yearthousand
• kiloyear (kyr)
• kiloannum (ka)