- The definition of biannual is something that occurs twice per year.
When a race is held in the spring and again in the fall, this is an example of a biannual race.
biannual definition by Webster's New World
coming twice a year; semiannual
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- biannually adverb
biannual definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Happening twice each year; semiannual.
- Occurring every two years; biennial.
- bi·anˈnu·al·ly adverb
biannual - Business Definition