triennial
occurring every three years.
lasting three years.
a third anniversary.
something that appears or occurs every three years.
a period of three years; triennium.
Origin of triennial
1Other words from triennial
- tri·en·ni·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use triennial in a sentence
A musical festival is held triennially in aid of the general hospital.
The Convention, which was to meet triennially, entered at once upon its work.
A History of American Christianity | Leonard Woolsey BaconThe term of office is nine years, and one-third of the members retire triennially.
The Governments of Europe | Frederic Austin OggRepresentatives from the different cities met triennially at Lubeck, where their common treasury and archives were kept.
Popular Technology, Vol. I (of 2) | Edward HazenThe chief executive power is exercised by the so-called Federal Council, or Bundesgericht, which is elected triennially.
Kelly Miller's History of the World War for Human Rights | Kelly Miller
British Dictionary definitions for triennial
/ (traɪˈɛnɪəl) /
relating to, lasting for, or occurring every three years
a third anniversary
a triennial period, thing, or occurrence
Origin of triennial
1Derived forms of triennial
- triennially, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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