Biannuallyadverb
Taking place twice per year, semiannually.
Biannuallyadverb
Taking place every two years, biennially.
Biannuallyadverb
twice a year;
Semiannuallyadverb
In a semiannual manner, twice yearly.
Semiannuallyadverb
Every half year.
Semiannuallyadverb
twice a year