trigintennial

T1R1I1G2I1N1T1E1N1N1I1A1L1

adjective

Synonym of tricennial, once every thirty years.

Similar
tricennialonce every thirty years
OriginLatin triginta →
Scrabble 14
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Meanings

adjectivetrigintennial (not comparable)
  1. not comparableuncommonSynonym of tricennial, once every thirty years.

    Synonyms: tricennial, once every thirty years

Synonyms & antonyms

adjectiveSynonym of tricennial, once every thirty years.

Similar
tricennialonce every thirty years
Also see
tricennial

Origin

  1. Latintriginta“thirty”
  2. Englishtrigintennial

From Latin triginta (“thirty”) + -ennial, combining adjectival form of annus (“year”). Compare the actual Latin term tricennium.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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