Word.ws English Dictionary

tricennial

tricennial adjective: of, related to, lasting, or occurring once every thirty years.

Adjective

tricennial (not comparable)

  1. Of, related to, lasting, or occurring once every thirty years.
  2. (historical) Of or related to a tricennalia, the celebrations marking the 30th year of a Roman emperor's rule.
    • 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...1977, T.D. Barnes, “Two Speeches by Eusebius”, in Greek, Roman, and Byzantine Studies, number 18, page 341
    • (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

Synonyms of tricennial

Origin of tricennial

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.

Questions about tricennial

What does tricennial mean?
Tricennial means of, related to, lasting, or occurring once every thirty years.
What part of speech is tricennial?
Tricennial is an adjective.

Words near tricennial in the dictionary

  1. tricennal
  2. tricennalia
  3. tricennalias
  4. tricennals
  5. tricennia
  6. tricennial
  7. tricennium
  8. tricenniums
  9. tricent
  10. tricentenarian
  11. tricentenarians

Source and license

Adapted from Wiktionary: tricennial (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.

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