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
triennial
nounRead the Latest from M-W
Recent Examples of triennial from the Web
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Prospect New Orleans began in 2008 as a biennial, but budget problems forced the event’s organizers to rebrand it as a triennial with the third edition in 2014.
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A new nonprofit group in Cleveland announced the launch of FRONT, a global triennial art exhibition that will debut in the summer of 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.
First Known Use of triennial
1562
Learn More about triennial
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See words that rhyme with triennial Spanish Central: Translation of triennial Nglish: Translation of triennial for Spanish speakers
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