Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: quinquennial  kwin'kwe-nee-ul
  1. Occurring once in five years, or at the end of every five years; also, lasting five years. A quinquennial event
Noun: quinquennial  kwin'kwe-nee-ul
  1. A fifth anniversary

Derived forms: quinquennials

Encyclopedia: Quinquennial