decennial

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decennial

  • /dɪˈsɛnɪəɫ/ UK

Where it comes from

From Latin decennialis, from decennium (“10-year period”) + -ālis, from decennis (“10-year”) + -ium (“-ium”, suffix forming abstract nouns), from decem (“ten”) + annus (“year”) + -is (suffix forming compound adjectives).

noun decennials

  1. Synonym of decade, a ten-year period.

    Similar: decade

  2. A tenth anniversary, particularly
  3. historical Synonym of decennalia, the festival and religious ritual held in the 10th year of a Roman emperor's reign. Roman coins mentioning the vota publica for Macrinus are RIC IV.1 5–13; on vota publica for the decennials and vicennials of emperors in the 2nd and 3rd c. ad, see Chastagnol 1984.

    Similar: decennalia

Similar: decaversary, tin anniversary

adjective

  1. not comparable Occurring every ten years.
  2. not comparable Of or related to a ten-year period, as a term of office.

Similar: decennary, decennal, decennalian

Thesaurus

adjective

Similar: decennary, decennal, decennalian

Translations

Every language

noun tenth anniversary of an event

Españoldecenal
Françaisdécennal
Italianodecennale

adj Occurring every ten years

Españoldecenal
Françaisdécennal
Italianodecennale

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Cite this
MLA

"decennial." Wiktionary, via Micwyn, micwyn.com/word/decennial. Accessed 6 Nov. 2026.

APA

decennial. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/decennial

Chicago

"decennial." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/decennial.

BibTeX
@misc{decennial_2026,
  title = {decennial},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/decennial},
  urldate = {2026-11-06}
}