tri·en·ni·al | \(ˌ)trī-ˈe-nē-əl \

Definition of triennial 

1 : occurring or being done every three years the triennial convention

2 : consisting of or lasting for three years a triennial contract

Keep scrolling for more

Other Words from triennial

triennial noun
triennially \(ˌ)trī-ˈe-nē-ə-lē \ adverb

Examples of triennial in a Sentence

Recent Examples on the Web

For the triennial, artist John Riepenhoff built a tandoor oven at Ohio City Farm so Afghan refugees could teach people how to make traditional flatbread. Kelly Crow, WSJ, "Cleveland Hopes to Become the Next Venice," 11 July 2018 The triennial, which runs through Sept. 30 and is expected to be held every three years after that, is the brainchild of Fred Bidwell. Kelly Crow, WSJ, "Cleveland Hopes to Become the Next Venice," 11 July 2018 Getting local audiences to buy into the triennial may be more important than luring the globe-trotters, some suggest. New York Times, "New Triennial Offers Artists the Canvas of Cleveland," 11 July 2018 Two additional murals, by Sarah Morris of New York, and Heimo Zobernig of Vienna, Austria, could be realized at other sites either during the next two years or just before the next FRONT triennial in 2021, depending on funding, Bidwell said. Steven Litt,, "FRONT announces outdoor projects and big installations for regional exhibit opening July 14 (photos)," 16 Mar. 2018 But no one substitutes for the US president, analysts note, especially at a summit that no US president has missed since the triennial gatherings began. Howard Lafranchi, The Christian Science Monitor, "Pence replacing Trump at Peru summit. But name that matters most is Monroe.," 11 Apr. 2018 Both sides are arguing their case to the US Copyright Office right now, submitting lengthy comments on the subject as part of the Copyright Register's triennial review of exemptions to the Digital Millennium Copyright Act (DMCA). Kyle Orland, Ars Technica, "Game industry pushes back against efforts to restore gameplay servers," 21 Feb. 2018 Dozens of officials from airlines, first-aid nonprofits, the Burbank and Glendale city councils and the Airport Authority gathered at the adjacent B-6 Parcel to observe airport safety personnel perform a triennial full-scale exercise. Anthony Clark Carpio,, "After choppers used in Trump visit land, Hollywood Burbank Airport conducts emergency exercise," 14 Mar. 2018 Signs that the tradition is alive and well include the Cremona International Violin Making School in town, where the old skills are taught to aspiring luthiers, as well as a triennial violin-making competition, a sort of Olympics of the trade. Stuart Isacoff, WSJ, "The Violin Museum Is a Luthier’s Paradise," 7 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triennial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of triennial

1562, in the meaning defined at sense 1

Keep scrolling for more

Learn More about triennial

Dictionary Entries near triennial








Statistics for triennial

Last Updated

17 Sep 2018

Look-up Popularity

Time Traveler for triennial

The first known use of triennial was in 1562

See more words from the same year

Keep scrolling for more

Comments on triennial

What made you want to look up triennial? Please tell us where you read or heard it (including the quote, if possible).


a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!