biennial

bi·en·ni·al

adj \(ˌ)bī-ˈe-nē-əl\

Definition of BIENNIAL

1

: occurring every two years

2

: continuing or lasting for two years; specifically : growing vegetatively during the first year and fruiting and dying during the second

See Usage Discussion at bi-

— biennial noun

— bi·en·ni·al·ly \-ə-lē\ adverb

Examples of BIENNIAL

1. The governor explained the biennial budget proposal.

First Known Use of BIENNIAL

1562

Other Number-Related Terms

jubilee, myriad, quarantine, score, twain

Rhymes with BIENNIAL

centennial, decennial, millennial, perennial, quadrennial, quinquennial, septennial, triennial, vicennial