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triennial

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adjective 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
—

triennial

noun
—

triennially

play \-nē-ə-lē\ adverb

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Recent Examples of triennial from the Web

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First Known Use of triennial

1562

Learn More about triennial

  1. See words that rhyme with triennial Spanish Central: Translation of triennial Nglish: Translation of triennial for Spanish speakers

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