octennially

O1C3T1E1N1N1I1A1L1L1Y4

adverb

Every eight years.

Scrabble 16
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Meanings

adverboctennially (not comparable)
  1. not comparableEvery eight years.

Origin

From octennial + -ly.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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