is bi monthly one word
Does bimonthly mean twice a month? No! bi-monthly means every two months, like bi-weekly means every two weeks. semi-monthly means twice a month. Think of mortgage payments or payroll, bi-weekly payroll meaâ¦ns one receives payroll every second week (i.e. every second Friday). Semi-monthly payroll means twice a month (typically the 1st and 15th of the month).