The word 'semiannually' is correct and usable in written English
It usually means twice a year, every half year, or every six months. For example, "I pay my rent semiannually on the first day of January and July."
The current course was formally established in 1659 and has been held semiannually on July 2 and on August 16 since 1701, except during wartimes.
Akutagawa Prize, Japanese Akutagawa Ryūnosuke Shō, Japanese literary prize awarded semiannually for the best work of fiction by a promising new Japanese writer.
Despite its growth to a population of more than 70,000 by 1801, the town had no system of government and was still managed, like a village, by a manorial court leet (a court held semiannually by the lord of the manor or his steward to conduct local government).
A council of the Trucial States began to meet semiannually in 1952 to discuss administrative issues.
The borrower promises to pay interest on the debt when due (usually semiannually) at a stipulated percentage of the face value and to redeem the face value of the bond at maturity in legal tender.
These were clipped from the bond by the bondholder and presented for payment, which usually occurred semiannually.
It is the only ocean with an asymmetric and, in the north, semiannually reversing surface circulation.
Once this pelage has been acquired, molting continues to recur at intervals, often annually or semiannually and sometimes more frequently.
Semiannually she designs about four hundred frocks for each of her major February and August collections.
But its 401(k) plan participants can elect to have their portfolios rebalanced quarterly, semiannually or annually, and they receive a notice each time it has been reallocated.
semiannually assess "G-20 countries' progress toward the agreed objectives on external sustainability and the consistency of countries' exchange rate, capital account, structural and fiscal policies toward meeting these objectives".
