Dictionary.com

biannual

[ bahy-an-yoo-uhl ]
/ baɪˈæn yu əl /
Save This Word!

adjective
occurring twice a year; semiannual.
occurring every two years; biennial.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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. 2022

How to use biannual in a sentence

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
FEEDBACK