Millennium
//mɪˈlɛnɪəm//
Word Forms of "millennium" (3 forms)
Noun
| Form | Word | |
|---|---|---|
| Alternative, Archaic | millenium | |
| Plural | millennia | |
| Plural | millenniums |
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.