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

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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

The triennial exemption process helps to temper some of the system's worst excesses, but a fundamental rethink of the law's approach would be even better. Timothy B. Lee, Ars Technica, "Why a random federal agency gets to decide which devices we tinker with," 26 Oct. 2018 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

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.

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First Known Use of triennial

1562, in the meaning defined at sense 1

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Statistics for triennial

Last Updated

26 Nov 2018

Look-up Popularity

Time Traveler for triennial

The first known use of triennial was in 1562

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More from Merriam-Webster on triennial

Rhyming Dictionary: Words that rhyme with triennial

Spanish Central: Translation of triennial

Nglish: Translation of triennial for Spanish Speakers

Comments on triennial

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a knickknack or trinket

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