“Bimonthly”
Avoid the prefixes bi- and semi- for purposes of references to time—they’re confusing. Bimonthly means “every two months” and semimonthly means “every half-month,” in other words “twice a month.” Biweekly and semiweekly reflect the same distinction. But biannual and semiannual both mean “occurring twice a year,” whereas biennial means “occurring once every two years.” So if someone is under an … Read More