Word.ws English Dictionary

decamillennial

decamillennial adjective: occurring every ten thousand years.

Adjective

decamillennial (not comparable)

  1. Occurring every ten thousand years.

Origin of decamillennial

From decamillennium + -al.

Questions about decamillennial

What does decamillennial mean?
Decamillennial means occurring every ten thousand years.
What part of speech is decamillennial?
Decamillennial is an adjective.

Words near decamillennial in the dictionary

  1. decamethyltetrasiloxane
  2. decametre
  3. decametres
  4. decametric
  5. decamillennia
  6. decamillennial
  7. decamillennium
  8. decamillenniums
  9. decamillion
  10. decamillionaire
  11. decamillionaires

Source and license

Adapted from Wiktionary: decamillennial (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: “decamillennial.” Word.ws, https://word.ws/decamillennial. Based on Wiktionary, CC BY-SA 4.0.