quadrennial

[ kwo-dren-ee-uhl ]
/ kwɒˈdrɛn i əl /

adjective

occurring every four years: a quadrennial festival.
of or lasting for four years: a quadrennial period.

noun

an event occurring every four years, as an anniversary or its celebration.

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Origin of quadrennial

1640–50; earlier quadriennial<Latin quadrienni(um) (see quadrennium) + -al1

OTHER WORDS FROM quadrennial

quad·ren·ni·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for quadrennial

British Dictionary definitions for quadrennial

quadrennial
/ (kwɒˈdrɛnɪəl) /

adjective

occurring every four years
relating to or lasting four years

noun

a period of four years

Derived forms of quadrennial

quadrennially, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012