Writing

‘Biannual’ vs. ‘Biennial’: Differences Between ‘Biannual’ and ‘Biennial’

Written by the MasterClass staff

Last updated: Feb 25, 2022 • 2 min read

“Biannual” and “biennial” are often used interchangeably, but there are key differences between the two. Learn when and how to use “biannual” vs. “biennial.”