decennial

D2E1C3E1N1N1I1A1L1
UK/dɪˈsɛnɪəɫ/

noun

Synonym of decade, a ten-year period.

Similar
decadedecennaliadecaversarytin anniversarydecennarydecennaldecennalian
OriginLatin decennialis →
UncommonScrabble 12
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Meanings

noundecennial (plural decennials)

plural decennials

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

    Synonyms: decade

  2. A tenth anniversary, particularly
    1. historicalSynonym 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.

      2022, Martin Hallmannsecker, Roman Ionia..., p. 110

      Synonyms: decennalia

adjectivedecennial (not comparable)
  1. not comparableOccurring every ten years.
  2. not comparableOf or related to a ten-year period, as a term of office.

Synonyms & antonyms

nounSynonym of decade, a ten-year period.

Similar
decade

nounSynonym of decennalia, the festival and religious ritual held in the 10th year of a Roman emperor's reign.

Similar
decennalia
Similar
decaversarytin anniversary
Similar
decennarydecennaldecennalian
Also see
decadaldecadedecaversarydecennaldecennaliadecennaliantin anniversary

Origin

  1. Latindecennialis
  2. Englishdecennial

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).

More words from Latin

Full word history & related roots →

Translations

Catalan decennal, decennal
  • decennaltenth anniversary of an event
  • decennalOccurring every ten years
French décennal, décennal
  • décennaltenth anniversary of an event
  • décennalOccurring every ten years
Italian decennale, decennale
  • decennaletenth anniversary of an event
  • decennaleOccurring every ten years
Spanish decenal, decenal
  • decenaltenth anniversary of an event
  • decenalOccurring every ten years

Rhymes & wordplay

Anagrams

celandinedanceline
Cite this entry
APA

decennial. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/decennial

MLA

“decennial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/decennial. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “decennial,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/decennial.

Source: decennial on Wiktionary, CC BY-SA 4.0.