biannual

[ bahy-an-yoo-uhl ]
/ baɪˈæn yu əl /

adjective

occurring twice a year; semiannual.
occurring every two years; biennial.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?

Origin of biannual

First recorded in 1875–80; bi-1 + annual

words often confused with biannual

See bi-1.

OTHER WORDS FROM biannual

bi·an·nu·al·ly, adverb

WORDS THAT MAY BE CONFUSED WITH biannual

biannual , biennial, semiannual, semiyearly (see confusables note at bi-1)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for biannual

British Dictionary definitions for biannual

biannual
/ (baɪˈænjʊəl) /

adjective

occurring twice a yearCompare biennial

Derived forms of biannual

biannually, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012