octennial

O1C3T1E1N1N1I1A1L1

adjective

Occurring every eight years.

Scrabble 11
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Meanings

adjectiveoctennial (not comparable)
  1. not comparableOccurring every eight years.
  2. not comparableLasting or taking eight years.

Synonyms & antonyms

Also see
octaetericoctennium

Origin

From oct- + -ennial.

Full word history & related roots →

Rhymes & wordplay

Anagrams

elcatonin
Cite this entry
APA

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

MLA

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

Chicago

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

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