Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Happening once in four years.
  • adjective Lasting for four years.

from The Century Dictionary.

  • Comprising four years: as, a quadrennial period.
  • Occurring once in four years: as, quadrennial elections.
  • noun A fourth anniversary, or its celebration.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Comprising four years.
  • adjective Occurring once in four years, or at the end of every four years.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Happening every four years.
  • adjective Lasting for four years.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin quadriennial ("four-year period"), from quattuor ("four") + annus ("year").

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Examples

Comments

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  • "The positioning was in keeping with what is now a quadrennial rite in which the campaigns go full bore to convince the news media, and ultimately the public, that their candidate won — or more than that, to argue that the debate spotlighted some sort of character or issue defect in their opponent."

    The New York Times, The Next Day, a New Debate on Who Won, by Jim Rutenberg, September 27, 2008

    September 28, 2008

  • zzzzzzzzzzzzzzzzz.

    September 28, 2008