Bi vs. Semi (weekly/monthly/annually)
Tuesday, July 29, 2008Using bi or semi in front of time periods can cause tremendous confusion.
Biweekly means once every two weeks or twice a week.
Bimonthly means once every two months or twice a month.
In addition, a biweekly publication is issued every two weeks and a bimonthly publication is issued every two months.
Semiweekly means twice a week.
Semimonthly means twice [...]

