adjective \(ˌ)bī-ˈan-yə(-wə)l\

: happening twice a year

: happening every two years

Full Definition of BIANNUAL

:  occurring twice a year
:  biennial 1
See Usage Discussion at bi-
bi·an·nu·al·ly adverb

Examples of BIANNUAL

  1. The group holds biannual meetings in December and July.
  2. The art show is a biannual event that won't happen again for two more years.
  3. Politicians still tremble when Barry begins his biannual comeback flirtations. … But if they'd spent less time looking over their shoulders and more time looking over election returns, they'd have seen that Barry was likely heading for a poleaxing when he called it quits. —Michael Schaffer, New Republic, 22 Apr. 2002

First Known Use of BIANNUAL


Other Number-Related Terms

jubilee, myriad, quarantine, score, twain

Rhymes with BIANNUAL


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