tricennial

T1R1I1C3E1N1N1I1A1L1

adjective

Of, related to, lasting, or occurring once every thirty years.

Scrabble 12

Meanings

adjectivetricennial (not comparable)
  1. not comparableOf, related to, lasting, or occurring once every thirty years.
  2. historicalnot comparableOf or related to a tricennalia, the celebrations marking the 30th year of a Roman emperor's rule.

    (vi) The employment of Constantine's high-crested helmet in the gold coinage of Constantius in his tricennial issues...

    1997, Patrick Bruun, “The Victorious Signs of Constantine: A Reappraisal”, in Numismatic Chronicle, volume 157, page 53
    1 more example

    Some manuscripts of Eusebius' Life of Constantine contain not only the four books of the Life and Constantine's Speech to the Assembly of the Saints but also two speeches which are conventionally known by a single title as Laus Constantini, Laudes Constantini, De laudibus Constantini, or the "Tricennial Oration," and which all editors of Eusebius so far have published as a single work.

    1977, T.D. Barnes, “Two Speeches by Eusebius”, in Greek, Roman, and Byzantine Studies, number 18, page 341

Synonyms & antonyms

Origin

  1. Latintrīcennium“30-year period”
  2. Englishtricennial

From Latin trīcennium (“30-year period”) + -al, from trīcennis (“30-year”) + -ium, from trīciēs (“30 times”) + annus (“year”) + -is. Compare Latin tricennalis. Equivalent to tri- + decennial. Doublet of tricennal.

Full word history & related roots →

Translations

French tricennal
  • tricennalTranslations
Latin tricennalis
  • tricennalisTranslations

Rhymes & wordplay

Anagrams

Cite this entry
APA

tricennial. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tricennial

MLA

“tricennial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tricennial. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “tricennial,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tricennial.

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