[ mi-len-ee-uh-liz-uh m ]
/ mɪˈlɛn i əˌlɪz əm /


a belief in the millennium.

Origin of millennialism

First recorded in 1905–10; millennial + -ism
Also called mil·le·nar·i·an·ism [mil-uh-nair-ee-uh-niz-uh m] /ˌmɪl əˈnɛər i əˌnɪz əm/.

Related forms

mil·len·ni·al·ist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for millenarianism

British Dictionary definitions for millenarianism


/ (ˌmɪlɪˈnɛərɪəˌnɪzəm) /


Christianity the belief in a future millennium following the Second Coming of Christ during which he will reign on earth in peace: based on Revelation 20:1–5
any belief in a future period of ideal peace and happiness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012