sexennial

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adjective

Pertaining to a period of six years; taking place once every six years.

OriginNew Latin sexennialis →
First used 17th c.Scrabble 16
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Meanings

adjectivesexennial (not comparable)
  1. not comparablePertaining to a period of six years; taking place once every six years.First known use 17th c.

    [T]his evil was exterior and accidental, and not so much the vice of their constitution itself, as it must be in your new contrivance of sexennial elective judicatories.

    1790, Edmund Burke, Reflections on the Revolution in France
nounsexennial (plural sexennials)

plural sexennials

  1. A sexennial event.

Synonyms & antonyms

Also see
sextennial

Origin

  1. New Latinsexennialis
  2. Englishsexennial

From New Latin sexennialis (16th century), equivalent to sexennium + -al.

More words from New Latin

Full word history & related roots →
Cite this entry
APA

sexennial. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sexennial

MLA

“sexennial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sexennial. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sexennial,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sexennial.

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