Quadrennial definition
Lasting four years.
adjective
A quadrennial event or occurrence.
noun
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Happening once in four years.
adjective
Lasting for four years.
adjective
Happening every four years.
adjective
Alternative Forms
Alternative Form of quadrennial -
quadriennial
Origin of quadrennial
- From Latin quadriennial (“four-year period"), from quattuor (“four") + annus (“year").
From Wiktionary