Word.ws English Dictionary

trimillennial

trimillennial noun: the 3,000th anniversary of an event or happening.

Noun

trimillennial (plural trimillennials)

  1. The 3,000th anniversary of an event or happening.

Adjective

trimillennial (not comparable)

  1. Occurring every three thousand years

Forms of trimillennial

pluraltrimillennials

Origin of trimillennial

From Latin trimillennialis, from tri- + mill- (“thousand”) + Latin enni(us) (“year”) + -al.

Questions about trimillennial

What does trimillennial mean?
Trimillennial means the 3,000th anniversary of an event or happening.
What part of speech is trimillennial?
Trimillennial can be a noun or an adjective.
What is the plural of trimillennial?
The plural of trimillennial is trimillennials.

Words near trimillennial in the dictionary

  1. trimetric
  2. trimetrical
  3. trimetrogon
  4. trimetrogons
  5. Trimier
  6. trimillennial
  7. trimillennials
  8. Trimingham
  9. trimipramine
  10. trimitic
  11. trimix

Source and license

Adapted from Wiktionary: trimillennial (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “trimillennial.” Word.ws, https://word.ws/trimillennial. Based on Wiktionary, CC BY-SA 4.0.