Intermediate (B1)
IPA: //baɪˈæn.ju.ə.li//
KK: /bɪˈæn.ju.ə.li/
Definition
Happening two times a year.
Example
The company holds biannual meetings to discuss progress and future plans.
Conversation

Did you know we have to meet biannually for the club?

Really? I thought it was just once a year.

Nope, it's actually twice a year to keep things interesting.

That makes sense! I guess we should plan the next one soon.
Synonyms & Antonyms
Synonyms
semiannually
twice
bi-yearly
Root Explanation
Biannually → It is formed from "bi-" (meaning two) and "annus" (meaning year). The word "biannually" means occurring twice a year.
Memory Tip
Think of 'two' ('bi-') events happening each 'year' ('annus') — that's why biannually means twice a year.
Visually Confused Words
bimanually
annually
banally
semiannually
biennially