Biannual means twice every year.
bi-yearly.
Bicentennial
bi means two and annual means year so biannual is twice a year. __ As distinct from biennial which means every two years.
Biannual biannual means twice per year. Biennial means every two years or every other year.
every 2years
The prefix "bi-" means occurring twice in a given period. Therefore, a word that signifies happening twice a year could be "biannual."
Biannual.
An event occurs 2 times in a year
Biannual
Biannual means every two years. Semiannual means twice a year.
Biannual describes something that occurs twice a year, once every half year.