triennially

T1R1I1E1N1N1I1A1L1L1Y4

adverb

Occurring at intervals three years apart.

Scrabble 14
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Meanings

adverbtriennially (not comparable)
  1. not comparableOccurring at intervals three years apart.

Origin

From triennial + -ly.

Full word history & related roots →
Cite this entry
APA

triennially. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/triennially

MLA

“triennially.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/triennially. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “triennially,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/triennially.

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