English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
BIANNUAL or BIENNIAL?
The show is a ~biennial~ celebration held in June and November (nonstandard).
The show is a *biannual* celebration held in June and November (standard).
A biannual event happens twice a year.
If the conference was held in 2021, 2023 and 2025 then it is a ~biannual~ conference (nonstandard).
If the conference was held in 2021, 2023 and 2025 then is a *biennial* conference (standard).
A biennial event happens or is done once every two years.
GAB
No comment