Intermediate (B1)
IPA: //baɪˈɛn.i.əl//
KK: /bɪˈɛn.i.əl/
Definition
Describing something that happens every two years or lasts for two years.
Example
The city hosts a biennial art festival that attracts artists from around the world.
Conversation

Did you hear about the biennial art festival in our city?

Yeah, I heard it's going to be really amazing this year!

I can't wait to see all the new exhibits; they only come around every two years.

Definitely! It makes it feel extra special when it finally happens.
Synonyms & Antonyms
Definition
An event or plant that happens or grows every two years.
Example
The art exhibition is a biennial event that showcases new artists.
Conversation

Have you heard about the biennial art festival in our city?

Yeah, I read about it! It sounds amazing.

I think it’s a great opportunity to see new artists and their work.
Root Explanation
Biennial → It is formed from "bi-" (meaning two) and "annus" (meaning year). The word "biennial" refers to an event that occurs every two years.
Memory Tip
Think of 'two' ('bi-') years ('annus') to remember that 'biennial' means something that happens every two years.
Visually Confused Words
vicennial
triennial
bigential
bidential
biunial
bicentennial