triannually

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English[edit]

Etymology[edit]

tri- +‎ annual +‎ -ly

Adverb[edit]

triannually (not comparable)

  1. (uncommon) Three times per year.
  2. (proscribed) Occurring every three years; triennially.

Usage notes[edit]

  • Often confused with triennially which means occurring once every three years.