millennialism

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

noun

a belief in the millennium.

Also called millenarianism

[mil-uh-nair-ee-uh-niz-uh m] /ˌmɪl əˈnɛər i əˌnɪz əm/ (Show IPA).

Origin of millennialism

1905-1910

First recorded in 1905-10; millennial + -ism

Related forms

millennialist, noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Word Origin and History for millennialism

1906, from millennial + -ism.

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