Definition of "biennially" [bi•en•ni•al•ly]

• Taking place every two years (adverb)

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• "The prize, given biennially, is for the 2008 award."
• "The state has a budgetary shortfall of $3 billion over the past two years Wisconsin budgets biennially."
• "We are going to start it biennially for six years and then we'll try and make it as a yearly event."